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Derivative Financial Instruments (Pretax Impact Of Fair Value Hedge Derivative Instruments On The Consolidated Statements of Income) (Details) (Fair Value Hedging [Member], USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Jun. 30, 2012
Jul. 02, 2011
Jun. 30, 2012
Jul. 02, 2011
Forward Contracts [Member]
       
Derivative [Line Items]        
Gain/(Loss) on forwards $ 32 $ (19) $ 32 $ (63)
Purchase Contracts [Member]
       
Derivative [Line Items]        
Gain/(Loss) on forwards $ (32) $ 19 $ (32) $ 63