|**Fair Value Measurements - Carrying Values and Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Millions**                                                                                                                                                                                                            | Apr. 30, 2016                                                                                                                                                                                                                                                                                                                             | Oct. 31, 2015                                                                                                                                                                                                                                                                                                                            
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|Reported Value Measurement [Member]                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Retail Notes                                                                                                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                           | $ 145                                                                                                                                                                                                                                                                                                                                    
|Notes Receivable                                                                                                                                                                                                                                                                                                                              |                                                                                                                                                                                                                                                                                                                                           | 1                                                                                                                                                                                                                                                                                                                                        
|Estimate of Fair Value Measurement [Member]                                                                                                                                                                                                                                                                                                   |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Retail Notes                                                                                                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                           | 146                                                                                                                                                                                                                                                                                                                                      
|Notes Receivable                                                                                                                                                                                                                                                                                                                              |                                                                                                                                                                                                                                                                                                                                           | 1                                                                                                                                                                                                                                                                                                                                        
|Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                                                                                            |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Retail Notes                                                                                                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Notes Receivable                                                                                                                                                                                                                                                                                                                              |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                                                                                            |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Retail Notes                                                                                                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Notes Receivable                                                                                                                                                                                                                                                                                                                              |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                                                                                            |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Retail Notes                                                                                                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                           | 146                                                                                                                                                                                                                                                                                                                                      
|Notes Receivable                                                                                                                                                                                                                                                                                                                              |                                                                                                                                                                                                                                                                                                                                           | 1                                                                                                                                                                                                                                                                                                                                        
|Line of Credit [Member] | Manufacturing Operations [Member]                                                                                                                                                                                                                                                                                   |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 1,022                                                                                                                                                                                                                                                                                                                                    
|Line of Credit [Member] | Manufacturing Operations [Member] | Reported Value Measurement [Member]                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 1,022                                                                                                                                                                                                                                                                                                                                    
|Line of Credit [Member] | Manufacturing Operations [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                                                                     |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 986                                                                                                                                                                                                                                                                                                                                      
|Line of Credit [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                              |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Line of Credit [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                              |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Line of Credit [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                              |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 986                                                                                                                                                                                                                                                                                                                                      
|Line of Credit [Member] | Financial Services Operations [Member]                                                                                                                                                                                                                                                                              |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 947                                                                                                                                                                                                                                                                                                                                      
|Line of Credit [Member] | Financial Services Operations [Member] | Reported Value Measurement [Member]                                                                                                                                                                                                                                        |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 947                                                                                                                                                                                                                                                                                                                                      
|Line of Credit [Member] | Financial Services Operations [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 930                                                                                                                                                                                                                                                                                                                                      
|Line of Credit [Member] | Financial Services Operations [Member] | Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                         |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Line of Credit [Member] | Financial Services Operations [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                         |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Line of Credit [Member] | Financial Services Operations [Member] | Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                         |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 930                                                                                                                                                                                                                                                                                                                                      
|Debt Of Majority Owned Dealerships [Member] | Manufacturing Operations [Member]                                                                                                                                                                                                                                                               |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 13                                                                                                                                                                                                                                                                                                                                       
|Debt Of Majority Owned Dealerships [Member] | Manufacturing Operations [Member] | Reported Value Measurement [Member]                                                                                                                                                                                                                         |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 13                                                                                                                                                                                                                                                                                                                                       
|Debt Of Majority Owned Dealerships [Member] | Manufacturing Operations [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                                                 |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 13                                                                                                                                                                                                                                                                                                                                       
|Debt Of Majority Owned Dealerships [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                          |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Debt Of Majority Owned Dealerships [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                          |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Debt Of Majority Owned Dealerships [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                          |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 13                                                                                                                                                                                                                                                                                                                                       
|Financing Arrangements [Member] | Manufacturing Operations [Member] | Reported Value Measurement [Member]                                                                                                                                                                                                                                     |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 40                                                                                                                                                                                                                                                                                                                                       
|Financing Arrangements [Member] | Manufacturing Operations [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 15                                                                                                                                                                                                                                                                                                                                       
|Financing Arrangements [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Financing Arrangements [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Financing Arrangements [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 15                                                                                                                                                                                                                                                                                                                                       
|Tax Exempt Bond [Member] | Manufacturing Operations [Member]                                                                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 225                                                                                                                                                                                                                                                                                                                                      
|Tax Exempt Bond [Member] | Manufacturing Operations [Member] | Reported Value Measurement [Member]                                                                                                                                                                                                                                            |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 225                                                                                                                                                                                                                                                                                                                                      
|Tax Exempt Bond [Member] | Manufacturing Operations [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 227                                                                                                                                                                                                                                                                                                                                      
|Tax Exempt Bond [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Tax Exempt Bond [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 227                                                                                                                                                                                                                                                                                                                                      
|Tax Exempt Bond [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Financed lease obligations [Member] | Manufacturing Operations [Member]                                                                                                                                                                                                                                                                       |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 75                                                                                                                                                                                                                                                                                                                                       
|Financed lease obligations [Member] | Manufacturing Operations [Member] | Reported Value Measurement [Member]                                                                                                                                                                                                                                 |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 75                                                                                                                                                                                                                                                                                                                                       
|Financed lease obligations [Member] | Manufacturing Operations [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                                                         |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 75                                                                                                                                                                                                                                                                                                                                       
|Financed lease obligations [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Financed lease obligations [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Financed lease obligations [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 75                                                                                                                                                                                                                                                                                                                                       
|Notes Payable, Other Payables [Member] | Manufacturing Operations [Member]                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 16                                                                                                                                                                                                                                                                                                                                       
|Notes Payable, Other Payables [Member] | Manufacturing Operations [Member] | Reported Value Measurement [Member]                                                                                                                                                                                                                              |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 16                                                                                                                                                                                                                                                                                                                                       
|Notes Payable, Other Payables [Member] | Manufacturing Operations [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 16                                                                                                                                                                                                                                                                                                                                       
|Notes Payable, Other Payables [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                               |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Notes Payable, Other Payables [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                               |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Notes Payable, Other Payables [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                               |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 16                                                                                                                                                                                                                                                                                                                                       
|Secured Debt [Member] | Financial Services Operations [Member]                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 933                                                                                                                                                                                                                                                                                                                                      
|Secured Debt [Member] | Financial Services Operations [Member] | Reported Value Measurement [Member]                                                                                                                                                                                                                                          |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 933                                                                                                                                                                                                                                                                                                                                      
|Secured Debt [Member] | Financial Services Operations [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                                                                  |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 929                                                                                                                                                                                                                                                                                                                                      
|Secured Debt [Member] | Financial Services Operations [Member] | Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Secured Debt [Member] | Financial Services Operations [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Secured Debt [Member] | Financial Services Operations [Member] | Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 929                                                                                                                                                                                                                                                                                                                                      
|Commercial Paper [Member] | Financial Services Operations [Member]                                                                                                                                                                                                                                                                            |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 88                                                                                                                                                                                                                                                                                                                                       
|Commercial Paper [Member] | Financial Services Operations [Member] | Reported Value Measurement [Member]                                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 88                                                                                                                                                                                                                                                                                                                                       
|Commercial Paper [Member] | Financial Services Operations [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                                                              |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 88                                                                                                                                                                                                                                                                                                                                       
|Commercial Paper [Member] | Financial Services Operations [Member] | Fair Value, Inputs, Level 1 [Member]                                                                                                                                                                                                                                     |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 88                                                                                                                                                                                                                                                                                                                                       
|Commercial Paper [Member] | Financial Services Operations [Member] | Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                       |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Commercial Paper [Member] | Financial Services Operations [Member] | Fair Value, Inputs, Level 2 [Member]                                                                                                                                                                                                                                     |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Commercial Paper [Member] | Financial Services Operations [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                       |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Commercial Paper [Member] | Financial Services Operations [Member] | Fair Value, Inputs, Level 3 [Member]                                                                                                                                                                                                                                     |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Commercial Paper [Member] | Financial Services Operations [Member] | Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                       |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Borrowings Secured By Operating and Finance Leases [Member] | Financial Services Operations [Member]                                                                                                                                                                                                                                          |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 106                                                                                                                                                                                                                                                                                                                                      
|Borrowings Secured By Operating and Finance Leases [Member] | Financial Services Operations [Member] | Reported Value Measurement [Member]                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 106                                                                                                                                                                                                                                                                                                                                      
|Borrowings Secured By Operating and Finance Leases [Member] | Financial Services Operations [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                                            |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 106                                                                                                                                                                                                                                                                                                                                      
|Borrowings Secured By Operating and Finance Leases [Member] | Financial Services Operations [Member] | Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                     |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Borrowings Secured By Operating and Finance Leases [Member] | Financial Services Operations [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                     |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Borrowings Secured By Operating and Finance Leases [Member] | Financial Services Operations [Member] | Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                     |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 106                                                                                                                                                                                                                                                                                                                                      
|Eight Point Two Five Percent Senior Notes [Member] | Notes Payable to Banks [Member] | Manufacturing Operations [Member]                                                                                                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 1,183                                                                                                                                                                                                                                                                                                                                    
|Eight Point Two Five Percent Senior Notes [Member] | Notes Payable to Banks [Member] | Manufacturing Operations [Member] | Reported Value Measurement [Member]                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 1,183                                                                                                                                                                                                                                                                                                                                    
|Eight Point Two Five Percent Senior Notes [Member] | Notes Payable to Banks [Member] | Manufacturing Operations [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                                        |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 872                                                                                                                                                                                                                                                                                                                                      
|Eight Point Two Five Percent Senior Notes [Member] | Notes Payable to Banks [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                 |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 872                                                                                                                                                                                                                                                                                                                                      
|Eight Point Two Five Percent Senior Notes [Member] | Notes Payable to Banks [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                 |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Eight Point Two Five Percent Senior Notes [Member] | Notes Payable to Banks [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                 |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Four Point Five Zero Senior Subordinated Convertible Notes [Member] | Convertible Subordinated Debt [Member] | Manufacturing Operations [Member]                                                                                                                                                                                              |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 188                                                                                                                                                                                                                                                                                                                                      
|Four Point Five Zero Senior Subordinated Convertible Notes [Member] | Convertible Subordinated Debt [Member] | Manufacturing Operations [Member] | Reported Value Measurement [Member]                                                                                                                                                        |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                | [1]                                                                                                                                                                                                                                                                                                                                       | 188                                                                                                                                                                                                                                                                                                                                      
|Four Point Five Zero Senior Subordinated Convertible Notes [Member] | Convertible Subordinated Debt [Member] | Manufacturing Operations [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    | [1]                                                                                                                                                                                                                                                                                                                                       | 141                                                                                                                                                                                                                                                                                                                                      
|Four Point Five Zero Senior Subordinated Convertible Notes [Member] | Convertible Subordinated Debt [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                         |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    | [1]                                                                                                                                                                                                                                                                                                                                       | 0                                                                                                                                                                                                                                                                                                                                        
|Four Point Five Zero Senior Subordinated Convertible Notes [Member] | Convertible Subordinated Debt [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                         |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    | [1]                                                                                                                                                                                                                                                                                                                                       | 0                                                                                                                                                                                                                                                                                                                                        
|Four Point Five Zero Senior Subordinated Convertible Notes [Member] | Convertible Subordinated Debt [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member]                                                                                                         |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    | [1]                                                                                                                                                                                                                                                                                                                                       | 141                                                                                                                                                                                                                                                                                                                                      
|Four Point Seven Five Senior Subordinated Convertible Notes [Member] [Member] | Convertible Subordinated Debt [Member] | Manufacturing Operations [Member]                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                           | 383                                                                                                                                                                                                                                                                                                                                      
|Four Point Seven Five Senior Subordinated Convertible Notes [Member] [Member] | Convertible Subordinated Debt [Member] | Manufacturing Operations [Member] | Reported Value Measurement [Member]                                                                                                                                              |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt                                                                                                                                                                                                                                                                                                                                | [1]                                                                                                                                                                                                                                                                                                                                       | 383                                                                                                                                                                                                                                                                                                                                      
|Four Point Seven Five Senior Subordinated Convertible Notes [Member] [Member] | Convertible Subordinated Debt [Member] | Manufacturing Operations [Member] | Estimate of Fair Value Measurement [Member]                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    | [1]                                                                                                                                                                                                                                                                                                                                       | 276                                                                                                                                                                                                                                                                                                                                      
|Four Point Seven Five Senior Subordinated Convertible Notes [Member] [Member] | Convertible Subordinated Debt [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]                                                                                               |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    | [1]                                                                                                                                                                                                                                                                                                                                       | 0                                                                                                                                                                                                                                                                                                                                        
|Four Point Seven Five Senior Subordinated Convertible Notes [Member] [Member] | Convertible Subordinated Debt [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]                                                                                               |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    |                                                                                                                                                                                                                                                                                                                                           | 0                                                                                                                                                                                                                                                                                                                                        
|Four Point Seven Five Senior Subordinated Convertible Notes [Member] [Member] | Convertible Subordinated Debt [Member] | Manufacturing Operations [Member] | Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member]                                                                                               |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|**Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                          
|Long-term Debt, Fair Value                                                                                                                                                                                                                                                                                                                    | [1]                                                                                                                                                                                                                                                                                                                                       | $ 276                                                                                                                                                                                                                                                                                                                                    
|                                                                                                                                                                                                                                                                                                                                             
|[1]
The carrying value represents the consolidated financial statement amount of the debt which excludes the allocation of the conversion feature to equity, while the fair value is based on internally developed valuation techniques such as discounted cash flow modeling for Level 3 convertible notes which include the equity feature. | [1]                                                                                                                                                                                                                                                                                                                                       | The carrying value represents the consolidated financial statement amount of the debt which excludes the allocation of the conversion feature to equity, while the fair value is based on internally developed valuation techniques such as discounted cash flow modeling for Level 3 convertible notes which include the equity feature.
|[1]                                                                                                                                                                                                                                                                                                                                           | The carrying value represents the consolidated financial statement amount of the debt which excludes the allocation of the conversion feature to equity, while the fair value is based on internally developed valuation techniques such as discounted cash flow modeling for Level 3 convertible notes which include the equity feature.

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