Derivative Instruments - Additional Information (Details) (USD $)	3 Months Ended				3 Months Ended
	Dec. 28, 2013	Sep. 28, 2013	Dec. 28, 2013 Foreign Exchange Contract [Member] Not Designated as Hedging Instrument [Member]	Sep. 28, 2013 Foreign Exchange Contract [Member] Not Designated as Hedging Instrument [Member]	Dec. 28, 2013 Interest Expense Interest rate	Dec. 29, 2012 Interest Expense Interest rate	Dec. 28, 2013 Fair Value Hedging [Member] Interest rate Cash Flow Hedging	Sep. 28, 2013 Fair Value Hedging [Member] Interest rate Cash Flow Hedging	Dec. 28, 2013 Cash Flow Hedging [Member] Foreign Exchange Contract [Member] Cash Flow Hedging	Sep. 28, 2013 Cash Flow Hedging [Member] Foreign Exchange Contract [Member] Cash Flow Hedging
Derivative [Line Items]
Derivative, Notional Amount			$ 4,800,000,000	$ 4,300,000,000			$ 5,600,000,000	$ 5,600,000,000	$ 4,600,000,000	$ 4,300,000,000
Derivative, Gain (Loss) on Derivative, Net					22,000,000	17,000,000
Hedging period for foreign currency transactions, maximum	4 years
Net deferred gains recorded in AOCI for contracts that will mature in next twelve months	86,000,000
Aggregate fair value of derivative instruments with credit-risk-related contingent features in a net liability position by counterparty	144,000,000	124,000,000
Collateral Already Posted, Aggregate Fair Value	$ 71,000,000	$ 54,000,000