Segment Information (Additional Product Information For Net Sales) (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 28, 2024	Jul. 30, 2023	Jul. 31, 2022
Segment Reporting Information [Line Items]
Net sales	$ 9,636	$ 9,357	$ 8,562
Soup [Member]
Segment Reporting Information [Line Items]
Net sales	2,709	2,740	2,615
Snacks [Member]
Segment Reporting Information [Line Items]
Net sales	4,597	4,643	4,103
Other Simple Meals [Member]
Segment Reporting Information [Line Items]
Net sales	1,618	1,205	1,091
Beverages [Member]
Segment Reporting Information [Line Items]
Net sales	$ 712	$ 769	$ 753