Leases - Supplemental Information (Details) - USD ($) $ in Millions	9 Months Ended
	Apr. 29, 2023	Apr. 30, 2022
Leases [Abstract]
Cash paid for amounts included in the measurement of lease liabilities — operating cash flows	$ 290	$ 306
Right-of-use assets obtained in exchange for operating leases liabilities	$ 278	$ 237