Goodwill And Intangible Assets (Goodwill) (Details) $ in Millions	3 Months Ended
	Oct. 27, 2024 USD ($)
Goodwill [Line Items]
Beginning Balance	$ 5,077
Goodwill, Written off Related to Sale of Business Unit	(21)	[1]
Ending Balance	5,056
Meals & Beverages [Member]
Goodwill [Line Items]
Beginning Balance	2,102
Goodwill, Written off Related to Sale of Business Unit	0	[1]
Ending Balance	2,102
Snacks [Member]
Goodwill [Line Items]
Beginning Balance	2,975
Goodwill, Written off Related to Sale of Business Unit	(21)	[1]
Ending Balance	$ 2,954

[1] On August 26, 2024, we sold our Pop Secret popcorn business. See Note 4 for additional information