Derivative Financial Instruments (Pretax Impact Of Undesignated Derivatives) (Details) (Nondesignated [Member], USD $) In Millions	12 Months Ended
Oct. 01, 2011	Oct. 02, 2010	Oct. 03, 2009
Derivative [Line Items]
Gain/(Loss) Recognized in Earnings	$ 15	$ 3	$ (189)
Commodity Contracts [Member] \| Cost Of Sales [Member]
Derivative [Line Items]
Gain/(Loss) Recognized in Earnings	(2)	(20)	(151)
Commodity Contracts [Member] \| Sales [Member]
Derivative [Line Items]
Gain/(Loss) Recognized in Earnings	20	27	(34)
Foreign Exchange Contracts [Member] \| Other Income/Expense [Member]
Derivative [Line Items]
Gain/(Loss) Recognized in Earnings	(3)	(5)	0
Interest Rate Contracts [Member] \| Interest Expense [Member]
Derivative [Line Items]
Gain/(Loss) Recognized in Earnings	$ 0	$ 1	$ (4)

- Definition

The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

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