Goodwill And Intangible Assets (Goodwill) (Details) $ in Millions	6 Months Ended
	Jan. 26, 2025 USD ($)
Goodwill [Line Items]
Beginning Balance	$ 5,077
Goodwill, Written off Related to Sale of Business Unit	(21)	[1]
Goodwill, Other Increase (Decrease)	(65)	[2]
Goodwill, Foreign Currency Translation Gain (Loss)	3
Ending Balance	4,988
Meals & Beverages [Member]
Goodwill [Line Items]
Beginning Balance	2,102
Goodwill, Written off Related to Sale of Business Unit	0	[1]
Goodwill, Other Increase (Decrease)	(65)	[2]
Goodwill, Foreign Currency Translation Gain (Loss)	3
Ending Balance	2,034
Snacks [Member]
Goodwill [Line Items]
Beginning Balance	2,975
Goodwill, Written off Related to Sale of Business Unit	(21)	[1]
Goodwill, Other Increase (Decrease)	0	[2]
Goodwill, Foreign Currency Translation Gain (Loss)	0
Ending Balance	$ 2,954

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

[2] See Note 4 for additional information on our noosa yoghurt business.