| **Fair Value Measurements - Carrying Values and Estimated Fair Values of Financial Instruments (Details) (USD $)In Millions, unless otherwise specified**                                                                                                                     | Jan. 31, 2014 | Oct. 31, 2013 |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------|---------------|
| Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                                                                                                        |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Loans Receivable, Fair Value Disclosure                                                                                                                                                                                                                                       | $ 339         |               | $ 390 |  |
| Notes Receivable, Fair Value Disclosure                                                                                                                                                                                                                                       | 12            |               | 13 |  |
| Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                                                                                                    |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Loans Receivable, Fair Value Disclosure                                                                                                                                                                                                                                       | 335           |               | 390 |  |
| Notes Receivable, Fair Value Disclosure                                                                                                                                                                                                                                       | 70            |               | 14 |  |
| Level 1 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                                                                                          |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Loans Receivable, Fair Value Disclosure                                                                                                                                                                                                                                       | 0             |               | 0 |  |
| Notes Receivable, Fair Value Disclosure                                                                                                                                                                                                                                       | 0             |               | 0 |  |
| Level 2 | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                                                                                              |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Loans Receivable, Fair Value Disclosure                                                                                                                                                                                                                                       | 0             |               | 0 |  |
| Notes Receivable, Fair Value Disclosure                                                                                                                                                                                                                                       | 0             |               | 0 |  |
| Level 3 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                                                                                          |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Loans Receivable, Fair Value Disclosure                                                                                                                                                                                                                                       | 339           |               | 390 |  |
| Notes Receivable, Fair Value Disclosure                                                                                                                                                                                                                                       | 12            |               | 13 |  |
| Line of Credit [Member] | Manufacturing Operations [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                                          |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 723           |               | 720 |  |
| Line of Credit [Member] | Manufacturing Operations [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                                      |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 693           |               | 693 |  |
| Line of Credit [Member] | Manufacturing Operations [Member] | Level 1 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                            |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Line of Credit [Member] | Manufacturing Operations [Member] | Level 2 | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                                |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Line of Credit [Member] | Manufacturing Operations [Member] | Level 3 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                            |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 723           |               | 720 |  |
| Line of Credit [Member] | Financial Services Operations [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                                     |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 798           |               | 990 |  |
| Line of Credit [Member] | Financial Services Operations [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                                 |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 820           |               | 1,018 |  |
| Line of Credit [Member] | Financial Services Operations [Member] | Level 1 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                       |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Line of Credit [Member] | Financial Services Operations [Member] | Level 2 | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                           |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Line of Credit [Member] | Financial Services Operations [Member] | Level 3 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                       |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 798           |               | 990 |  |
| Notes Payable to Banks [Member] | Manufacturing Operations [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                                  |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 1,264         |               | 1,274 |  |
| Notes Payable to Banks [Member] | Manufacturing Operations [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                              |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 1,178         |               | 1,178 |  |
| Notes Payable to Banks [Member] | Manufacturing Operations [Member] | Level 1 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                    |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 1,264         |               | 1,274 |  |
| Notes Payable to Banks [Member] | Manufacturing Operations [Member] | Level 2 | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                        |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Notes Payable to Banks [Member] | Manufacturing Operations [Member] | Level 3 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                    |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Convertible Subordinated Debt [Member] | Manufacturing Operations [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                           |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 199           | [1]           | 203 | [1] |
| Convertible Subordinated Debt [Member] | Manufacturing Operations [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                       |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 178           | [1]           | 177 | [1] |
| Convertible Subordinated Debt [Member] | Manufacturing Operations [Member] | Level 1 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                             |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             | [1]           |   |  |
| Convertible Subordinated Debt [Member] | Manufacturing Operations [Member] | Level 2 | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                 |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             | [1]           | 0 | [1] |
| Convertible Subordinated Debt [Member] | Manufacturing Operations [Member] | Level 3 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                             |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 199           | [1]           | 203 | [1] |
| Debt Of Majority Owned Dealerships [Member] | Manufacturing Operations [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                      |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 46            |               | 48 |  |
| Debt Of Majority Owned Dealerships [Member] | Manufacturing Operations [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                  |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 46            |               | 48 |  |
| Debt Of Majority Owned Dealerships [Member] | Manufacturing Operations [Member] | Level 1 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                        |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Debt Of Majority Owned Dealerships [Member] | Manufacturing Operations [Member] | Level 2 | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                            |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Debt Of Majority Owned Dealerships [Member] | Manufacturing Operations [Member] | Level 3 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                        |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 46            |               | 48 |  |
| Financing Arrangements [Member] | Manufacturing Operations [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                                  |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 39            |               | 44 |  |
| Financing Arrangements [Member] | Manufacturing Operations [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                              |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 67            |               | 73 |  |
| Financing Arrangements [Member] | Manufacturing Operations [Member] | Level 1 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                    |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Financing Arrangements [Member] | Manufacturing Operations [Member] | Level 2 | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                        |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Financing Arrangements [Member] | Manufacturing Operations [Member] | Level 3 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                    |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 39            |               | 44 |  |
| Tax Exempt Bond [Member] | Manufacturing Operations [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                                         |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 224           |               | 229 |  |
| Tax Exempt Bond [Member] | Manufacturing Operations [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                                     |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 225           |               | 225 |  |
| Tax Exempt Bond [Member] | Manufacturing Operations [Member] | Level 1 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                           |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Tax Exempt Bond [Member] | Manufacturing Operations [Member] | Level 2 | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                               |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 224           |               | 229 |  |
| Tax Exempt Bond [Member] | Manufacturing Operations [Member] | Level 3 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                           |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Promissory Note [Member] | Manufacturing Operations [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                                         |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 18            |               | 20 |  |
| Promissory Note [Member] | Manufacturing Operations [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                                     |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 18            |               | 20 |  |
| Promissory Note [Member] | Manufacturing Operations [Member] | Level 1 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                           |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Promissory Note [Member] | Manufacturing Operations [Member] | Level 2 | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                               |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Promissory Note [Member] | Manufacturing Operations [Member] | Level 3 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                           |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 18            |               | 20 |  |
| Financed lease obligations [Member] | Manufacturing Operations [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                              |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 219           |               | 218 |  |
| Financed lease obligations [Member] | Manufacturing Operations [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                          |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 219           |               | 218 |  |
| Financed lease obligations [Member] | Manufacturing Operations [Member] | Level 1 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Financed lease obligations [Member] | Manufacturing Operations [Member] | Level 2 | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                    |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Financed lease obligations [Member] | Manufacturing Operations [Member] | Level 3 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 219           |               | 218 |  |
| Notes Payable, Other Payables [Member] | Manufacturing Operations [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                           |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 31            |               | 36 |  |
| Notes Payable, Other Payables [Member] | Manufacturing Operations [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                       |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 34            |               | 39 |  |
| Notes Payable, Other Payables [Member] | Manufacturing Operations [Member] | Level 1 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                             |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Notes Payable, Other Payables [Member] | Manufacturing Operations [Member] | Level 2 | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                 |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Notes Payable, Other Payables [Member] | Manufacturing Operations [Member] | Level 3 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                             |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 31            |               | 36 |  |
| Secured Debt [Member] | Financial Services Operations [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                                       |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 746           |               | 775 |  |
| Secured Debt [Member] | Financial Services Operations [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                                   |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 752           |               | 778 |  |
| Secured Debt [Member] | Financial Services Operations [Member] | Level 1 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                         |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Secured Debt [Member] | Financial Services Operations [Member] | Level 2 | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                             |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Secured Debt [Member] | Financial Services Operations [Member] | Level 3 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                         |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 746           |               | 775 |  |
| Commercial Paper [Member] | Financial Services Operations [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                                   |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 22            |               | 21 |  |
| Commercial Paper [Member] | Financial Services Operations [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                               |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 22            |               | 21 |  |
| Commercial Paper [Member] | Financial Services Operations [Member] | Level 1                                                                                                                                                                                                  |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 22            |               |   |  |
| Commercial Paper [Member] | Financial Services Operations [Member] | Level 1 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                                     |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    |          |               | 21 |  |
| Commercial Paper [Member] | Financial Services Operations [Member] | Level 2                                                                                                                                                                                                  |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               |   |  |
| Commercial Paper [Member] | Financial Services Operations [Member] | Level 2 | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                                         |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    |          |               | 0 |  |
| Commercial Paper [Member] | Financial Services Operations [Member] | Level 3                                                                                                                                                                                                  |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               |   |  |
| Commercial Paper [Member] | Financial Services Operations [Member] | Level 3 | Carrying (Reported) Amount, Fair Value Disclosure [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] | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                 |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 58            |               | 49 |  |
| Borrowings Secured By Operating and Finance Leases [Member] | Financial Services Operations [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                             |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 58            |               | 49 |  |
| Borrowings Secured By Operating and Finance Leases [Member] | Financial Services Operations [Member] | Level 1 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                   |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Borrowings Secured By Operating and Finance Leases [Member] | Financial Services Operations [Member] | Level 2 | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                       |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             |               | 0 |  |
| Borrowings Secured By Operating and Finance Leases [Member] | Financial Services Operations [Member] | Level 3 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                   |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 58            |               | 49 |  |
| 2014 [Member] | Convertible Subordinated Debt [Member] | Manufacturing Operations [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                           |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 577           | [1]           | 586 | [1] |
| 2014 [Member] | Convertible Subordinated Debt [Member] | Manufacturing Operations [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                                       |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 551           | [1]           | 544 | [1] |
| 2014 [Member] | Convertible Subordinated Debt [Member] | Manufacturing Operations [Member] | Level 1 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                             |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 577           | [1]           | 586 | [1] |
| 2014 [Member] | Convertible Subordinated Debt [Member] | Manufacturing Operations [Member] | Level 2 | Estimate of Fair Value, Fair Value Disclosure [Member]                                                                                                                 |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | 0             | [1]           | 0 | [1] |
| 2014 [Member] | Convertible Subordinated Debt [Member] | Manufacturing Operations [Member] | Level 3 | Carrying (Reported) Amount, Fair Value Disclosure [Member]                                                                                                             |          |               |   |  |
| **Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]**                                                                                                                                                                                             |          |               |   |  |
| Long-term Debt, Fair Value                                                                                                                                                                                                                                                    | $ 0           | [1]           | $ 0 | [1] |
|                                                                                                                                                                                                                                                                               |
| [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 quoted market prices for the convertible note which includes the equity feature. |

| X                                                                                                                                                                                                    |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems**Namespace Prefix:**us-gaap_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Glossary Loan -URI http://asc.fasb.org/extlink&oid=6517073
+ Details**Name:**us-gaap_LoansReceivableFairValueDisclosure**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.
+ References
No definition available.
+ Details**Name:**us-gaap_LongTermDebtFairValue**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Fair value portion of an agreement for an unconditional promise by the maker to pay the holder a definite sum of money at a future date.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Subparagraph b -Article 5
+ Details**Name:**us-gaap_NotesReceivableFairValueDisclosure**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**instant |