|**Special Charges (Tables)**                                        | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
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|2011 Restructuring Plan [Member]                                    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|**Restructuring Cost and Reserve [Line Items]**                     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|Summary Of Activity Related To Special Charge Restructuring Accrual | A summary of the activity related to the 2011 restructuring plan accrual is as follows (in millions):EmployeeTerminationCostsInventoryChargesFixedAssetChargesOther Restructuring CostsTotalBalance at January 1, 2011$—$—$—$—$—Cost of sales special charges9209947Special charges73—1725115Non-cash charges used—(20)(26)(1)(47)Cash payments(27)——(15)(42)Foreign exchange rate impact(1)———(1)Balance at December 31, 201154——1872Cost of sales special charges1113—2044Special charges27——3158Non-cash charges used—(13)—(4)(17)Cash payments(68)——(47)(115)Foreign exchange rate impact1——(1)—Balance at December 29, 2012$25$—$—$17$42
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|                                                                    | EmployeeTerminationCosts                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|Balance at January 1, 2011                                          | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Cost of sales special charges                                       | 9                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Special charges                                                     | 73                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Non-cash charges used                                               | —                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Cash payments                                                       | (27                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Foreign exchange rate impact                                        | (1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Balance at December 31, 2011                                        | 54                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Cost of sales special charges                                       | 11                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Special charges                                                     | 27                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Non-cash charges used                                               | —                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Cash payments                                                       | (68                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Foreign exchange rate impact                                        | 1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Balance at December 29, 2012                                        | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|2012 Business Realignment Restructuring Plan [Member]               |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|**Restructuring Cost and Reserve [Line Items]**                     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|Summary Of Activity Related To Special Charge Restructuring Accrual | A summary of the activity related to the 2012 business realignment plan accrual is as follows (in millions):EmployeeTerminationCostsInventoryChargesFixedAssetChargesOther Restructuring CostsTotalBalance at December 31, 2011$—$—$—$—$—Cost of sales special charges517—224Special charges104—4116161Non-cash charges used—(17)(41)(3)(61)Cash payments(52)——(7)(59)Foreign exchange rate impact1———1Balance at December 29, 2012$58$—$—$8$66                                                                                                                                                                                              
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|                                                                    | EmployeeTerminationCosts                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|Balance at December 31, 2011                                        | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Cost of sales special charges                                       | 5                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Special charges                                                     | 104                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Non-cash charges used                                               | —                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Cash payments                                                       | (52                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Foreign exchange rate impact                                        | 1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Balance at December 29, 2012                                        | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            

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