Leases - Lease Expenses (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jan. 28, 2023	Jan. 29, 2022	Jan. 28, 2023	Jan. 29, 2022
Leases [Abstract]
Operating lease expense	$ 98	$ 98	$ 194	$ 193
Short-term lease expense	17	15	34	32
Variable lease expense	63	41	121	90
Total lease expense	$ 178	$ 154	$ 349	$ 315