Leases (Costs) (Details) - USD ($) $ in Millions		12 Months Ended
		Jul. 28, 2024	Jul. 30, 2023	Jul. 31, 2022
Leases [Abstract]
Operating Lease, Cost	[1]	$ 101	$ 86	$ 79
Finance Lease, amortization of right-of-use assets		22	16	17
Finance Lease, interest on lease liabilities		2	0	0
Short-term Lease, Cost		66	64	56
Variable Lease, Cost		217	207	202
Lease, Cost, Total		$ 408	$ 373	$ 354

[1] 2024 excludes costs associated with the cost savings initiatives described in Note 8.