Derivative Instruments - Additional Information (Details) (USD $)	6 Months Ended				3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended						3 Months Ended		6 Months Ended
	Mar. 29, 2014	Sep. 28, 2013	Mar. 29, 2014 Foreign exchange Not Designated as Hedging Instrument	Sep. 28, 2013 Foreign exchange Not Designated as Hedging Instrument	Mar. 29, 2014 Interest Expense	Mar. 30, 2013 Interest Expense	Mar. 29, 2014 Interest Expense	Mar. 30, 2013 Interest Expense	Mar. 29, 2014 Interest Expense Interest rate	Mar. 30, 2013 Interest Expense Interest rate	Mar. 29, 2014 Interest Expense Interest rate	Mar. 30, 2013 Interest Expense Interest rate	Mar. 29, 2014 Fair Value Hedging Interest rate Derivatives Designated as Hedges	Sep. 28, 2013 Fair Value Hedging Interest rate Derivatives Designated as Hedges	Mar. 29, 2014 Cash Flow Hedging Foreign exchange Derivatives Designated as Hedges	Sep. 28, 2013 Cash Flow Hedging Foreign exchange Derivatives Designated as Hedges	Mar. 29, 2014 Venezuelan Bolívar Fuerte	Mar. 30, 2013 Venezuelan Bolívar Fuerte	Mar. 29, 2014 Venezuelan Bolívar Fuerte	Mar. 30, 2013 Venezuelan Bolívar Fuerte
Derivative [Line Items]
Derivative, Notional Amount			$ 4,800,000,000	$ 4,300,000,000									$ 5,600,000,000	$ 5,600,000,000	$ 5,100,000,000	$ 4,300,000,000
Net gains (losses) on foreign exchange risk management contracts not designated as hedges					(11,000,000)	(67,000,000)	(21,000,000)	(151,000,000)									(143,000,000)	0	(143,000,000)	0
Derivative, Gain (Loss) on Derivative, Net									22,000,000	21,000,000	44,000,000	38,000,000
Hedging Period for Foreign Currency Transactions, Maximum	4 years
Net Deferred Gains Recorded in AOCI for Contracts that Will Mature in Next Twelve Months	29,000,000
Aggregate fair value of derivative instruments with credit-risk-related contingent features in a net liability position by counterparty	149,000,000	124,000,000
Collateral Already Posted, Aggregate Fair Value	$ 69,000,000	$ 54,000,000