Revenue - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 29, 2023	Jul. 30, 2022
Disaggregation of Revenue [Line Items]
Payment terms	30 days
Accounts receivable, net	$ 5,854	$ 6,622
Deferred revenue	25,550	23,264
Revenue recognized	12,700
Total deferred sales commissions	1,100	1,000
Amortization of sales commissions, expense	723	679
Software and Service Agreements
Disaggregation of Revenue [Line Items]
Contract assets, net of allowances	$ 1,600	$ 1,300