Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Estimated Fair Value Of Company Long Term Debt) (Details)

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Fair Value Measurements (Estimated Fair Value Of Company Long Term Debt) (Details) - USD ($)
$ in Millions
Jul. 31, 2021
Aug. 01, 2020
Long-term debt $ 3,298 $ 4,050
Notional Amount    
Long-term debt 3,296 4,903
Carrying Amount    
Long-term debt $ 3,295 $ 4,851