Fair Value Measurement - Assets and Liabilities Measured at Fair Value (Detail) (Fair Value, Measurements, Recurring, USD $) In Millions, unless otherwise specified	Sep. 28, 2013		Sep. 29, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	$ 305		$ 86
Total recorded at fair value	447		480
Fair value of borrowings	14,544		15,146
Interest rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives assets	170	[1]	239	[1]
Derivatives liabilities	(94)	[1]
Foreign exchange
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives assets	267	[1]	390	[1]
Derivatives liabilities	(201)	[1]	(235)	[1]
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	305		86
Total recorded at fair value	305		86
Fair value of borrowings	0		0
Level 1 | Interest rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives assets	0	[1]	0	[1]
Derivatives liabilities	0	[1]
Level 1 | Foreign exchange
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives assets	0	[1]	0	[1]
Derivatives liabilities	0	[1]	0	[1]
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	0		0
Total recorded at fair value	142		394
Fair value of borrowings	13,630		13,493
Level 2 | Interest rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives assets	170	[1]	239	[1]
Derivatives liabilities	(94)	[1]
Level 2 | Foreign exchange
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives assets	267	[1]	390	[1]
Derivatives liabilities	(201)	[1]	(235)	[1]
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	0		0
Total recorded at fair value	0		0
Fair value of borrowings	914		1,653
Level 3 | Interest rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives assets	0	[1]	0	[1]
Derivatives liabilities	0	[1]
Level 3 | Foreign exchange
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives assets	0	[1]	0	[1]
Derivatives liabilities	$ 0	[1]	$ 0	[1]

[1] The Company has a master netting arrangement by counterparty for its derivative contracts. Contracts in a liability position totaling $171 million and $153 million have been netted against contracts in an asset position in the Consolidated Balance Sheets at September 28, 2013 and September 29, 2012, respectively.