Leases - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 29, 2022	Oct. 30, 2021	Jul. 30, 2022
Leases [Abstract]
Weighted-average remaining lease term (in years)	4 years 7 months 6 days		4 years 8 months 12 days
Weighted-average discount rate	2.30%		2.20%
Sales-type lease terms, on average	4 years
Interest income, lease receivables	$ 12	$ 15
Operating lease income	$ 21	$ 32