Components of Gross and Net Intangible Asset Balances (Detail) (USD $) In Millions	Sep. 24, 2011	Sep. 25, 2010
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Intangible Assets, Gross Carrying Amount	$ 3,973	$ 587
Acquired Intangible Assets, Accumulated Amortization	(437)	(245)
Acquired Intangible Assets, Net Carrying Amount	3,536	342
Definite lived and amortizable acquired intangibles
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Intangible Assets, Gross Carrying Amount	3,873	487
Acquired Intangible Assets, Accumulated Amortization	(437)	(245)
Acquired Intangible Assets, Net Carrying Amount	3,436	242
Indefinite lived and non-amortizable trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Intangible Assets, Gross Carrying Amount	100	100
Acquired Intangible Assets, Accumulated Amortization	0	0
Acquired Intangible Assets, Net Carrying Amount	$ 100	$ 100