Goodwill And Intangible Assets (Goodwill) (Details) - USD ($) $ in Millions		12 Months Ended
		Jul. 28, 2024	Jul. 30, 2023
Goodwill [Line Items]
Beginning Balance		$ 3,965	$ 3,979
Goodwill, Written off Related to Sale of Business Unit	[1]		(11)
Goodwill, Acquired During Period	[2]	1,116
Foreign currency translation adjustment		(4)	(3)
Ending Balance		5,077	3,965
Meals & Beverages [Member]
Goodwill [Line Items]
Beginning Balance		990	993
Goodwill, Written off Related to Sale of Business Unit	[1]		0
Goodwill, Acquired During Period	[2]	1,116
Foreign currency translation adjustment		(4)	(3)
Ending Balance		2,102	990
Snacks [Member]
Goodwill [Line Items]
Beginning Balance		2,975	2,986
Goodwill, Written off Related to Sale of Business Unit	[1]		(11)
Goodwill, Acquired During Period	[2]	0
Foreign currency translation adjustment		0	0
Ending Balance		$ 2,975	$ 2,975

[1] See Note 4 for additional information on the sale of the Emerald nuts business.

[2] See Note 3 for additional information on the acquisition of Sovos Brands.