Segment Information (Additional Product Information For Net Sales) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jan. 30, 2022	Jan. 31, 2021	Jan. 30, 2022	Jan. 31, 2021
Segment Reporting Information [Line Items]
Net sales	$ 2,209	$ 2,279	$ 4,445	$ 4,619
Soup [Member]
Segment Reporting Information [Line Items]
Net sales	784	794	1,581	1,620
Snacks [Member]
Segment Reporting Information [Line Items]
Net sales	966	989	1,969	1,997
Other Simple Meals [Member]
Segment Reporting Information [Line Items]
Net sales	270	307	534	618
Beverages [Member]
Segment Reporting Information [Line Items]
Net sales	$ 189	$ 189	$ 361	$ 384