|**Debt (Tables)**                           | 6 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
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|**Debt Disclosure [Abstract]**              |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|Schedule Of Long-Term Debt                  | The carrying value of the Company’s debt, including discounts, the fair value of an interest rate swap agreement and the remaining deferred gain from a terminated interest rate swap agreement, consisted of the following (in millions):July 4, 2015January 3, 2015Term loan due June 2015$—$500Term loan due August 2015—250Term loan due April 2016175—2.50% senior notes due 20165035063.25% senior notes due 20238968964.75% senior notes due 20436966961.58% Yen-denominated senior notes due 201766682.04% Yen-denominated senior notes due 2020104107Yen-denominated credit facilities5254Commercial paper borrowings1,249789Total debt3,7413,866Less: current debt obligations1,9791,593Long-term debt$1,762$2,273
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|                                            |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|                                            | July 4, 2015                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
|Term loan due June 2015                     | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Term loan due August 2015                   | —                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Term loan due April 2016                    | 175                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|2.50% senior notes due 2016                 | 503                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|3.25% senior notes due 2023                 | 896                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|4.75% senior notes due 2043                 | 696                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|1.58% Yen-denominated senior notes due 2017 | 66                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|2.04% Yen-denominated senior notes due 2020 | 104                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
|Yen-denominated credit facilities           | 52                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Commercial paper borrowings                 | 1,249                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Total debt                                  | 3,741                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Less: current debt obligations              | 1,979                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Long-term debt                              | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Schedule of Maturities of Long-term Debt    | Contractual maturities of the Company's debt for the next five fiscal years and thereafter, excluding any discounts or premiums, as ofJuly 4, 2015are as follows (in millions):Remainder of 20152016201720182019After 2019Expected future minimum principal payments$1,249$727$66$—$—$1,704                                                                                                                                                                                                                                                                                                                                                                                                                                 
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|                                            | Remainder of 2015                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|Expected future minimum principal payments  | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           

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