Derivative Financial Instruments (Pretax Impact Of Cash Flow Hedge Derivative Instruments On The Consolidated Statements Of Income) (Details) (Cash Flow Hedge [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Oct. 02, 2010
Derivative [Line Items]
Gain/(Loss) Recognized in OCI on Derivatives	$ 16	$ 4	$ 7
Gain/(Loss) Reclassified from OCI to Earnings	(12)	25	(5)
Commodity Contracts [Member]
Derivative [Line Items]
Gain/(Loss) Recognized in OCI on Derivatives	24	(5)	6
Commodity Contracts [Member] | Cost of Sales [Member]
Derivative [Line Items]
Gain/(Loss) Reclassified from OCI to Earnings	(16)	25	(6)
Foreign Exchange Contracts [Member]
Derivative [Line Items]
Gain/(Loss) Recognized in OCI on Derivatives	(8)	9	1
Foreign Exchange Contracts [Member] | Other Income/Expense [Member]
Derivative [Line Items]
Gain/(Loss) Reclassified from OCI to Earnings	$ 4	$ 0	$ 1