Segment Information (Additional Product Information For Net Sales) (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 30, 2023	Jul. 31, 2022	Aug. 01, 2021
Segment Reporting Information [Line Items]
Net sales	$ 9,357	$ 8,562	$ 8,476
Soup [Member]
Segment Reporting Information [Line Items]
Net sales	2,740	2,615	2,568
Snacks [Member]
Segment Reporting Information [Line Items]
Net sales	4,643	4,103	3,989
Other Simple Meals [Member]
Segment Reporting Information [Line Items]
Net sales	1,205	1,091	1,134
Beverages [Member]
Segment Reporting Information [Line Items]
Net sales	$ 769	$ 753	$ 785