Goodwill And Intangible Assets (Intangible Assets) (Details) - USD ($) $ in Millions		Aug. 01, 2021	Aug. 02, 2020
Finite-Lived Intangible Assets [Line Items]
Other intangible assets, net of amortization		$ 3,239	$ 3,350
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived Intangible Assets (Excluding Goodwill)	[1]	2,549	2,611
Disposal Group, Including Discontinued Operation, Intangible Assets		(62)
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	[1]	830	851
Finite-Lived Intangible Assets, Accumulated Amortization	[1]	(140)	(112)
Finite-Lived Intangible Assets, Net	[1]	690	$ 739
Disposal Group, Including Discontinued Operation, Intangible Assets		$ (8)

[1] Net Customer relationships of $8 and Trademarks of $62 were divested with the sale of the Plum baby and snack foods business. See Note 3 for additional information.