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Derivative Financial Instruments (Pretax Impact Of Fair Value Hedge Derivative Instruments On The Consolidated Statements of Income) (Details) - USD ($)
$ in Millions
Oct. 02, 2021
Oct. 03, 2020
Sep. 28, 2019
Fair Value Hedging [Member]      
Derivative [Line Items]      
Gain/(Loss) on forwards $ (6) $ 6 $ (19)