Segment Information (Schedule of Segment Reporting - Depreciation and Amortization) (Details) - USD ($) $ in Millions		12 Months Ended
		Jul. 31, 2022	Aug. 01, 2021	Aug. 02, 2020
Segment Reporting Information [Line Items]
Depreciation and amortization		$ 337	$ 317	$ 328
Meals & Beverages [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization		131	128	134
Snacks [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization		185	169	175
Corporate
Segment Reporting Information [Line Items]
Depreciation and amortization	[1]	$ 21	$ 20	$ 19

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