Pre-Tax Effect of Derivative Instruments Designated as Cash Flow and Net Investment Hedges (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 31, 2011		Dec. 25, 2010
Derivative Instruments, Gain (Loss) [Line Items]
Gains (Losses) Recognized in OCI - Effective Portion	$ 142	[1]	$ (69)	[1]
Gains (Losses) Reclassified from AOCI into Income - Effective Portion	238	[1],[2]	(449)	[1],[3]
Gains (Losses) Recognized - Ineffective Portion and Amount Excluded from Effectiveness Testing	(68)		21
Cash flow hedges | Foreign Exchange Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gains (Losses) Recognized in OCI - Effective Portion	135	[1]	(66)	[1]
Gains (Losses) Reclassified from AOCI into Income - Effective Portion	238	[1],[2]	(449)	[1],[3]
Gains (Losses) Recognized - Ineffective Portion and Amount Excluded from Effectiveness Testing	(69)		21
Net Investment Hedging | Foreign Exchange Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gains (Losses) Recognized in OCI - Effective Portion	7	[1]	(3)	[1]
Gains (Losses) Reclassified from AOCI into Income - Effective Portion	0	[1],[2]	0	[1],[3]
Gains (Losses) Recognized - Ineffective Portion and Amount Excluded from Effectiveness Testing	$ 1		$ 0

[1] Refer to Note 5, "Shareholders' Equity and Share-based Compensation" of this Form 10-Q, which summarizes the activity in AOCI related to derivatives.

[2] Includes gains/(losses) reclassified from AOCI into net income for the effective portion of cash flow hedges, of which $187 million and $51 million were recognized within net sales and cost of sales, respectively, within the Condensed Consolidated Statement of Operations for the three months ended December 31, 2011. There were no amounts reclassified from AOCI into net income for the effective portion of net investment hedges for the three months ended December 31, 2011.

[3] Includes gains/(losses) reclassified from AOCI into net income for the effective portion of cash flow hedges, of which $(257) million and $(192) million were recognized within net sales and cost of sales, respectively, within the Condensed Consolidated Statement of Operations for the three months ended December 25, 2010. There were no amounts reclassified from AOCI into net income for the effective portion of net investment hedges for the three months ended December 25, 2010.