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Fair Value Measurements (Estimated Fair Value Of Company Long Term Debt) (Details) - USD ($)
$ in Millions
Oct. 30, 2021
Oct. 31, 2020
Long-term debt $ 3,377 $ 3,967
Notional Amount    
Long-term debt 3,295 4,903
Carrying Amount    
Long-term debt $ 3,295 $ 4,852