Taxes on Earnings Schedule of Activity Related to Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2022	Aug. 01, 2021	Aug. 02, 2020
Income Tax Disclosure [Abstract]
Unrecognized Tax Benefits	$ 22	$ 23	$ 24
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions	4	0	0
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions	(10)	(1)	(1)
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions	1	3	2
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities	(2)	0	(1)
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	(1)	(3)	(1)
Unrecognized Tax Benefits	$ 14	$ 22	$ 23