Segment Information (Schedule Of Segment Reporting - Net Sales) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jan. 28, 2024	Jan. 29, 2023	Jan. 28, 2024	Jan. 29, 2023
Segment Reporting Information [Line Items]
Net sales	$ 2,456	$ 2,485	$ 4,974	$ 5,060
Meals & Beverages [Member]
Segment Reporting Information [Line Items]
Net sales	1,382	1,408	2,786	2,863
Snacks [Member]
Segment Reporting Information [Line Items]
Net sales	$ 1,074	$ 1,077	$ 2,188	$ 2,197