Supplemental Financial Statement Data (Schedule of Accrued Liabilities) (Details) - USD ($) $ in Millions	Jul. 31, 2022	Aug. 01, 2021
Accrued Liabilities [Abstract]
Employee-related Liabilities, Current	$ 216	$ 203
Derivative Liability, Current	34	3
Accrued Marketing Costs, Current	141	121
Interest Payable, Current	64	70
Restructuring Reserve, Current	7	6
Operating Lease, Liability, Current	62	54
Other Accrued Liabilities, Current	97	119
Accrued liabilities	$ 621	$ 576
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued liabilities	Accrued liabilities