Revenue - Allowance for Accounts Receivable (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 28, 2023	Oct. 29, 2022
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit loss at beginning of period	$ 85	$ 83
Provisions (benefits)	2	11
Recoveries (write-offs), net	(5)	(6)
Allowance for credit loss at end of period	$ 82	$ 88