| Identified Intangible Assets, Indefinite-Lived Intangible Asset (Detail) (Not Subject To Amortization [Member], Acquisition-related Trade Names [Member], USD $) In Millions, unless otherwise specified | Jun. 29, 2013 | Dec. 29, 2012 | 
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| Not Subject To Amortization [Member] | Acquisition-related Trade Names [Member] | ||
| Indefinite-lived Intangible Assets [Line Items] | ||
| Gross assets, Indefinite-Lived Intangible Assets | $ 809 | $ 809 | 
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- Definition Carrying amount of assets (excluding financial assets) that lack physical substance, excluding goodwill, having a projected indefinite period of benefit. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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