Components of Gross and Net Intangible Asset Balances (Detail) (USD $) In Millions, unless otherwise specified	Dec. 28, 2013	Sep. 28, 2013
Acquired Intangible Assets [Line Items]
Acquired Intangible Assets, Gross Carrying Amount	$ 6,371	$ 6,181
Acquired Intangible Assets, Accumulated Amortization	(2,266)	(2,002)
Acquired Intangible Assets, Net Carrying Amount	4,105	4,179
Definite lived and amortizable acquired intangible assets
Acquired Intangible Assets [Line Items]
Acquired Intangible Assets, Gross Carrying Amount	6,271	6,081
Acquired Intangible Assets, Accumulated Amortization	(2,266)	(2,002)
Acquired Intangible Assets, Net Carrying Amount	4,005	4,079
Indefinite lived and non-amortizable acquired intangible assets
Acquired 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