Acquisitions - Summary of Preliminary Allocation of Purchase Consideration (Details) - USD ($) $ in Millions	Jul. 27, 2024	Mar. 18, 2024	Jul. 29, 2023	Jul. 30, 2022
Business Acquisition [Line Items]
Goodwill	$ 58,660		$ 38,535	$ 38,304
Splunk
Business Acquisition [Line Items]
Cash and cash equivalents		$ 2,422
Investments		285
Accounts receivable, net		623
Goodwill		19,301
Amount		10,550
Deferred tax assets		1,308
Other current and noncurrent assets		1,176
Accounts payable		(39)
Accrued compensation		(337)
Current portion of deferred revenue		(1,768)
Splunk convertible notes		(3,344)
Deferred tax liabilities		(2,523)
Noncurrent portion of deferred revenue		(86)
Other current and other noncurrent liabilities		(478)
Total		$ 27,090