Taxes on Earnings Schedule of Activity Related to Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 30, 2023	Jul. 31, 2022	Aug. 01, 2021
Income Tax Disclosure [Abstract]
Unrecognized Tax Benefits	$ 14	$ 22	$ 23
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions	0	4	0
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions	0	(10)	(1)
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions	2	1	3
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities	0	(2)	0
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	(1)	(1)	(3)
Unrecognized Tax Benefits	$ 15	$ 14	$ 22