Leases (Costs) (Details) - USD ($) $ in Millions		12 Months Ended
		Jul. 30, 2023	Jul. 31, 2022	Aug. 01, 2021
Leases [Abstract]
Operating Lease, Cost		$ 86	$ 79	$ 80
Finance Lease, Right-of-Use Asset, Amortization		16	17	6
Short-term Lease, Cost		64	56	48
Variable Lease, Cost	[1]	207	202	201
Sublease Income		0	0	(2)
Lease, Cost		$ 373	$ 354	$ 333

[1] Includes labor and other overhead included in our service contracts with embedded leases.