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
Aug. 03, 2019
Aug. 04, 2018
Long-term debt $ 4,742 $ 5,314
Carrying Amount    
Long-term debt 4,680 5,447
Notional Amount    
Long-term debt $ 4,667 $ 5,423