Revenue - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 30, 2022	Jul. 31, 2021
Disaggregation of Revenue [Line Items]
Payment terms	30 days
Accounts receivable, net	$ 6,622	$ 5,766
Deferred revenue	23,264	22,164
Revenue recognized	12,000
Total deferred sales commissions	1,000	1,000
Amortization of sales commissions, expense	679	532
Software and Service Agreements
Disaggregation of Revenue [Line Items]
Contract assets, net of allowances	$ 1,300	$ 1,400