Revenue - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 29, 2022	Oct. 30, 2021	Jul. 30, 2022
Disaggregation of Revenue [Line Items]
Allowance for future sales returns	$ 47		$ 43
Payment terms	30 days
Accounts receivable, net	$ 5,439		6,622
Deferred revenue	23,019		23,264
Revenue recognized	4,400
Total deferred sales commissions	1,100		1,000
Amortization of sales commissions, expense	176	$ 170
Software and Service Agreements
Disaggregation of Revenue [Line Items]
Contract assets, net of allowances	$ 1,300		$ 1,300