Segment Information (Schedule of Segment Reporting - Capital Expenditures) (Details) - USD ($) $ in Millions		12 Months Ended
		Jul. 30, 2023	Jul. 31, 2022	Aug. 01, 2021
Segment Reporting Information [Line Items]
Purchases of plant assets		$ 370	$ 242	$ 275
Meals & Beverages [Member]
Segment Reporting Information [Line Items]
Purchases of plant assets		129	76	61
Snacks [Member]
Segment Reporting Information [Line Items]
Purchases of plant assets		199	120	153
Corporate
Segment Reporting Information [Line Items]
Purchases of plant assets	[1]	$ 42	$ 46	$ 61

[1] Represents primarily corporate offices and enterprise-wide information technology systems.