| **Special Charges (Tables) (2012 Business Realignment Restructuring Plan [Member])** | 6 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
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| 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 29, 2012$58 $— $— $8 $66Cost of sales special charges— 30 — 5 35Special charges75 — 13 97 185Non-cash charges used— (30) (13) (4) (47)Cash payments(79) — — (73) (152)Balance at December 28, 201354 — — 33 87Cost of sales special charges— 1 — — 1Special charges12 — 1 20 33Non-cash charges used— (1) (1) — (2)Cash payments(22) — — (29) (51)Balance at March 29, 201444 — —24 68Cost of sales special charges7 7 12 — 26Special charges23 — 2 9 34Non-cash charges used— (7) (14) — (21)Cash payments(14) — — (12) (26)Balance at June 28, 2014$60 $— $— $21 $81 |

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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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