Segment Information (Additional Product Information For Net Sales) (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2022	Aug. 01, 2021	Aug. 02, 2020
Segment Reporting Information [Line Items]
Net sales	$ 8,562	$ 8,476	$ 8,691
Soup [Member]
Segment Reporting Information [Line Items]
Net sales	2,615	2,568	2,653
Snacks [Member]
Segment Reporting Information [Line Items]
Net sales	4,103	3,989	4,099
Other Simple Meals [Member]
Segment Reporting Information [Line Items]
Net sales	1,091	1,134	1,184
Beverages [Member]
Segment Reporting Information [Line Items]
Net sales	$ 753	$ 785	$ 755