| **Special Charges (Tables)**                                        | 6 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): EmployeeTerminationCosts InventoryCharges FixedAssetCharges Other Restructuring Costs TotalBalance at December 31, 2011$54 $— $— $18 $72Cost of sales special charges11 13 — 20 44Special charges27 — — 31 58Non-cash charges used— (13) — (4) (17)Cash payments(68) — — (47) (115)Foreign exchange rate impact1 — — (1) —Balance at December 29, 201225 — — 17 42Special charges2 — — 7 9Cash payments(13) — — (6) (19)Balance March 30, 201314 — — 18 32Special charges— — 1 3 4Non-cash charges used— — (1) — (1)Cash payments(5) — — (7) (12)Balance at June 29, 2013$9 $— $— $14 $23                                                                                                                                                                                                                                                                                                                                                                                   |
| 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): EmployeeTerminationCosts InventoryCharges FixedAssetCharges Other Restructuring Costs TotalBalance at December 31, 2011$— $— $— $— $—Cost of sales special charges5 17 — 2 24Special charges104 — 41 16 161Non-cash charges used— (17) (41) (3) (61)Cash payments(52) — — (7) (59)Foreign exchange rate impact1 — — — 1Balance at December 29, 201258 — — 8 66Cost of sales special charges— 18 — — 18Special charges10 — 2 4 16Non-cash charges used— (18) (2) — (20)Cash payments(32) — — (3) (35)Foreign exchange rate impact(1) — — — (1)Balance at March 30, 201335 — —9 44Cost of sales special charges— 1 — — 1Special charges19 — 2 17 38Non-cash charges used— (1) (2) (4) (7)Cash payments(17) — — (9) (26)Foreign exchange rate impact1 — — — 1Balance at June 29, 2013$38 $— $— $13 $51 |

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| - Details**Name:**us-gaap_RestructuringCostAndReserveLineItems**Namespace Prefix:**us-gaap_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |
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| - Definition
Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747
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