Segment Information (Schedule Of Segment Reporting - 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
Meals & Beverages [Member]
Segment Reporting Information [Line Items]
Net sales	4,907	4,607	4,621
Snacks [Member]
Segment Reporting Information [Line Items]
Net sales	$ 4,450	$ 3,955	$ 3,855