Segment Information (Additional Product Information For Net Sales) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	May 01, 2022	May 02, 2021	May 01, 2022	May 02, 2021
Segment Reporting Information [Line Items]
Net sales	$ 2,130	$ 1,984	$ 6,575	$ 6,603
Soup [Member]
Segment Reporting Information [Line Items]
Net sales	606	544	2,187	2,164
Snacks [Member]
Segment Reporting Information [Line Items]
Net sales	1,039	961	3,008	2,958
Other Simple Meals [Member]
Segment Reporting Information [Line Items]
Net sales	287	278	821	896
Beverages [Member]
Segment Reporting Information [Line Items]
Net sales	$ 198	$ 201	$ 559	$ 585