Financing Receivables - Summary of Allowances for Credit Loss and Related Financing Receivables (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 28, 2023	Oct. 29, 2022
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit loss, beginning of period	$ 72	$ 126
Provisions (benefits)	2	(4)
Other		(2)
Allowance for credit loss, end of period	74	120
Loan Receivables
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit loss, beginning of period	53	103
Provisions (benefits)	5	(1)
Other		(1)
Allowance for credit loss, end of period	58	101
Lease Receivables
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for credit loss, beginning of period	19	23
Provisions (benefits)	(3)	(3)
Other		(1)
Allowance for credit loss, end of period	$ 16	$ 19