Gross Fair Value of Derivative Positions (Details) (USD $) In Millions, unless otherwise specified	Mar. 30, 2013		Sep. 29, 2012
Current Assets
Derivatives, Fair Value [Line Items]
Derivatives assets	$ 346		$ 343
Total derivatives assets	240	[1]	226	[1]
Current Assets | Netting
Derivatives, Fair Value [Line Items]
Derivatives assets	(106)		(117)
Current Assets | Derivatives designated as hedges | Foreign exchange
Derivatives, Fair Value [Line Items]
Derivatives assets	176		84
Current Assets | Derivatives designated as hedges | Interest rate
Derivatives, Fair Value [Line Items]
Derivatives assets	0		1
Current Assets | Derivatives not designated as hedges | Foreign exchange
Derivatives, Fair Value [Line Items]
Derivatives assets	170		258
Other Assets
Derivatives, Fair Value [Line Items]
Derivatives assets	371		286
Total derivatives assets	355	[1]	250	[1]
Other Assets | Netting
Derivatives, Fair Value [Line Items]
Derivatives assets	(16)		(36)
Other Assets | Derivatives designated as hedges | Foreign exchange
Derivatives, Fair Value [Line Items]
Derivatives assets	135		30
Other Assets | Derivatives designated as hedges | Interest rate
Derivatives, Fair Value [Line Items]
Derivatives assets	215		238
Other Assets | Derivatives not designated as hedges | Foreign exchange
Derivatives, Fair Value [Line Items]
Derivatives assets	21		18
Other Accrued Liabilities
Derivatives, Fair Value [Line Items]
Derivatives liabilities	(128)		(185)
Total derivatives liabilities	(17)	[1]	(68)	[1]
Other Accrued Liabilities | Netting
Derivatives, Fair Value [Line Items]
Derivatives liabilities	111		117
Other Accrued Liabilities | Derivatives designated as hedges | Foreign exchange
Derivatives, Fair Value [Line Items]
Derivatives liabilities	(61)		(94)
Other Accrued Liabilities | Derivatives designated as hedges | Interest rate
Derivatives, Fair Value [Line Items]
Derivatives liabilities	(23)		0
Other Accrued Liabilities | Derivatives not designated as hedges | Foreign exchange
Derivatives, Fair Value [Line Items]
Derivatives liabilities	(44)		(91)
Other Long-Term Liabilities
Derivatives, Fair Value [Line Items]
Derivatives liabilities	(12)		(50)
Total derivatives liabilities	(1)	[1]	(14)	[1]
Other Long-Term Liabilities | Netting
Derivatives, Fair Value [Line Items]
Derivatives liabilities	11		36
Other Long-Term Liabilities | Derivatives designated as hedges | Foreign exchange
Derivatives, Fair Value [Line Items]
Derivatives liabilities	(11)		(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	$ (1)		$ 0

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