Leases (Costs) (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Apr. 28, 2024	Apr. 30, 2023	Apr. 28, 2024	Apr. 30, 2023
Operating Lease, Cost	[1]	$ 25	$ 23	$ 73	$ 63
Finance lease, amortization of right-of-use assets		6	4	14	12
Finance lease, interest on lease liabilities		1	0	1	0
Short-term Lease, Cost		15	14	50	48
Variable Lease, Cost		57	52	159	155
Lease, Cost, Total		$ 104	$ 93	$ 297	$ 278

[1] Excludes costs associated with the cost savings initiatives described in Note 7.