Taxes on Earnings Schedule of Deferred Tax Liabilities and Assets (Details) - USD ($) $ in Millions	Aug. 01, 2021	Aug. 02, 2020
Income Tax Disclosure [Abstract]
Deferred Tax Liabilities, Property, Plant and Equipment	$ 352	$ 319
Deferred Tax Liabilities, Goodwill and Intangible Assets	869	856
Deferred Tax Liabilities, Leasing Arrangements	53	63
Deferred Tax Liabilities, Prepaid Expenses	45	0
Deferred Tax Liabilities, Other	9	9
Deferred Tax Liabilities, Gross	1,328	1,247
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits	127	144
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions	38	58
Deferred Tax Assets, Operating Loss Carryforwards	24	31
Deferred Tax Assets, Capital Loss Carryforwards	117	95
Deferred Tax Assets, Operating lease liability	53	63
Deferred Tax Assets, Other	61	65
Deferred Tax Assets, Gross	420	456
Deferred Tax Assets, Valuation Allowance	(142)	(122)
Deferred Tax Assets, Net of Valuation Allowance	278	334
Deferred Tax Liabilities, Net	$ 1,050	$ 913