Gross Fair Value of Derivative Positions (Details) (USD $) In Millions, unless otherwise specified	Dec. 29, 2012		Sep. 29, 2012
Current Assets
Derivatives, Fair Value [Line Items]
Derivatives assets	$ 288		$ 343
Total derivatives assets	156	[1]	226	[1]
Current Assets | Netting
Derivatives, Fair Value [Line Items]
Derivatives assets	(132)		(117)
Current Assets | Derivatives designated as hedges | Foreign exchange
Derivatives, Fair Value [Line Items]
Derivatives assets	100		84
Current Assets | Derivatives designated as hedges | Interest rate
Derivatives, Fair Value [Line Items]
Derivatives assets	1		1
Current Assets | Derivatives not designated as hedges | Foreign exchange
Derivatives, Fair Value [Line Items]
Derivatives assets	187		258
Other Assets
Derivatives, Fair Value [Line Items]
Derivatives assets	301		286
Total derivatives assets	260	[1]	250	[1]
Other Assets | Netting
Derivatives, Fair Value [Line Items]
Derivatives assets	(41)		(36)
Other Assets | Derivatives designated as hedges | Foreign exchange
Derivatives, Fair Value [Line Items]
Derivatives assets	57		30
Other Assets | Derivatives designated as hedges | Interest rate
Derivatives, Fair Value [Line Items]
Derivatives assets	238		238
Other Assets | Derivatives not designated as hedges | Foreign exchange
Derivatives, Fair Value [Line Items]
Derivatives assets	6		18
Other Accrued Liabilities
Derivatives, Fair Value [Line Items]
Derivatives liabilities	(165)		(185)
Total derivatives liabilities	(30)	[1]	(68)	[1]
Other Accrued Liabilities | Netting
Derivatives, Fair Value [Line Items]
Derivatives liabilities	135		117
Other Accrued Liabilities | Derivatives designated as hedges | Foreign exchange
Derivatives, Fair Value [Line Items]
Derivatives liabilities	(74)		(94)
Other Accrued Liabilities | Derivatives designated as hedges | Interest rate
Derivatives, Fair Value [Line Items]
Derivatives liabilities	(9)		0
Other Accrued Liabilities | Derivatives not designated as hedges | Foreign exchange
Derivatives, Fair Value [Line Items]
Derivatives liabilities	(82)		(91)
Other Long-Term Liabilities
Derivatives, Fair Value [Line Items]
Derivatives liabilities	(48)		(50)
Total derivatives liabilities	(10)	[1]	(14)	[1]
Other Long-Term Liabilities | Netting
Derivatives, Fair Value [Line Items]
Derivatives liabilities	38		36
Other Long-Term Liabilities | Derivatives designated as hedges | Foreign exchange
Derivatives, Fair Value [Line Items]
Derivatives liabilities	(23)		(50)
Other Long-Term Liabilities | Derivatives designated as hedges | Interest rate
Derivatives, Fair Value [Line Items]
Derivatives liabilities	0		0
Other Long-Term Liabilities | Derivatives not designated as hedges | Foreign exchange
Derivatives, Fair Value [Line Items]
Derivatives liabilities	$ (25)		$ 0

[1] Refer to Note 12 for further information on derivative fair values and counterparty netting.