Identified Intangible Assets, Indefinite-Lived Intangible Asset (Detail) (Indefinite-lived Intangible Assets [Member], Acquisition-related Trade Names [Member], USD $) In Millions, unless otherwise specified	Sep. 28, 2013	Dec. 29, 2012
Indefinite-lived Intangible Assets [Member] | Acquisition-related Trade Names [Member]
Indefinite-lived Intangible Assets [Line Items]
Gross assets, Indefinite-Lived Intangible Assets	$ 815	$ 809