Pre-Tax Effect of Derivative Instruments Designated as Cash Flow and Net Investment Hedges (Parenthetical) (Detail) (USD $) In Millions	12 Months Ended
	Sep. 24, 2011		Sep. 25, 2010
Derivative Instruments, Gain (Loss) [Line Items]
Gains (Losses) Reclassified from AOCI into Income - Effective Portion	$ (704)	[1],[2]	$ 115	[2],[3]
Cash flow hedges | Foreign Exchange Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gains (Losses) Reclassified from AOCI into Income - Effective Portion	(704)	[1],[2]	115	[2],[3]
Cash flow hedges | Foreign Exchange Contracts | Net sales
Derivative Instruments, Gain (Loss) [Line Items]
Gains (Losses) Reclassified from AOCI into Income - Effective Portion	(349)		158
Cash flow hedges | Foreign Exchange Contracts | Cost of Sales
Derivative Instruments, Gain (Loss) [Line Items]
Gains (Losses) Reclassified from AOCI into Income - Effective Portion	(355)		(43)
Net Investment Hedging | Foreign Exchange Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gains (Losses) Reclassified from AOCI into Income - Effective Portion	$ 0	[1],[2]	$ 0	[2],[3]

[1] Includes gains/(losses) reclassified from AOCI into income for the effective portion of cash flow hedges, of which $(349) million and $(355) million were recognized within net sales and cost of sales, respectively, within the Consolidated Statement of Operations for the year ended September 24, 2011. There were no amounts reclassified from AOCI into income for the effective portion of net investment hedges for the year ended September 24, 2011.

[2] Refer to Note 6, "Shareholders' Equity and Share-based Compensation" of this Form 10-K, which summarizes the activity in AOCI related to derivatives.

[3] Includes gains/(losses) reclassified from AOCI into income for the effective portion of cash flow hedges, of which $158 million and $(43) million were recognized within net sales and cost of sales, respectively, within the Consolidated Statement of Operations for the year ended September 25, 2010. There were no amounts reclassified from AOCI into income for the effective portion of net investment hedges for the year ended September 25, 2010.