Acquisitions - Summary of Preliminary Allocation of Purchase Consideration (Details) - USD ($) $ in Millions	Apr. 27, 2024	Mar. 18, 2024	Jul. 29, 2023
Business Acquisition [Line Items]
Goodwill	$ 58,633		$ 38,535
Splunk
Business Acquisition [Line Items]
Cash and cash equivalents		$ 2,422
Investments		285
Accounts receivable, net		623
Goodwill		19,301
Purchased intangible assets		10,550
Deferred tax assets		1,308
Other current and other assets		1,176
Accounts payable		(39)
Accrued compensation		(337)
Current portion of deferred revenue		(1,768)
Splunk convertible notes		(3,344)
Deferred tax liabilities		(2,572)
Long-term portion of deferred revenue		(86)
Other current and other long-term liabilities		(429)
Total		$ 27,090