| **Debt (Tables)**                        | 3 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): April 4, 2015 January 3, 2015Term loan due June 2015$— $500Term loan due August 2015— 2502.50% senior notes due 2016504 5063.25% senior notes due 2023897 8964.75% senior notes due 2043696 6961.58% Yen-denominated senior notes due 201768 682.04% Yen-denominated senior notes due 2020106 107Yen-denominated credit facilities54 54Commercial paper borrowings1,179 789Total debt3,504 3,866Less: current debt obligations1,737 1,593Long-term debt$1,767 $2,273 |
| Schedule of Maturities of Long-term Debt | Contractual maturities of the Company's debt for the next five fiscal years and thereafter, excluding discounts, the fair value of an interest rate swap agreement and the remaining deferred gain from a terminated interest rate swap agreement, as of April 4, 2015 are as follows (in million): Remainder of 20152016201720182019After 2019Expected future minimum principal payments$1,206$527$68$—$—$1,707                                                                                                                                                                                                                                                                                                                                                                            |

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| - Definition
Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.
+ References
No definition available.
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| - Definition
Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601
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