Goodwill And Intangible Assets (Goodwill) (Details) $ in Millions	9 Months Ended
	Apr. 27, 2025 USD ($)
Goodwill [Line Items]
Beginning Balance	$ 5,077
Goodwill, Written off Related to Sale of Business Unit	(86)	[1]
Ending Balance	4,991
Meals & Beverages [Member]
Goodwill [Line Items]
Beginning Balance	2,102
Goodwill, Written off Related to Sale of Business Unit	(65)	[1]
Ending Balance	2,037
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] See Note 4 for additional information on divestitures.