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Goodwill And Intangible Assets (Intangible Assets) (Details) - USD ($)
$ in Millions
Oct. 31, 2021
Aug. 01, 2021
Finite-Lived Intangible Assets [Line Items]    
Other intangible assets, net of amortization $ 3,228 $ 3,239
Trademarks [Member]    
Finite-Lived Intangible Assets [Line Items]    
Indefinite-lived Intangible Assets (Excluding Goodwill) 2,549 2,549
Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 830 830
Finite-Lived Intangible Assets, Accumulated Amortization (151) (140)
Finite-Lived Intangible Assets, Net $ 679 $ 690