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Derivative Financial Instruments (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 01, 2022
Oct. 02, 2021
Oct. 03, 2020
Cash Flow Hedging [Member]      
Derivative [Line Items]      
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax $ 0 $ 0 $ (17)
Commodity contracts | Cash Flow Hedging [Member]      
Derivative [Line Items]      
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax 0 $ 0 $ (17)
Treasury Rate Locks      
Derivative [Line Items]      
Cash Flow Hedge Gain (Loss) to be Reclassified Over Life of Forecasted Fixed-Rate Debt $ (14)