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Acquisitions - Purchased Intangible Assets Acquired (Details) - USD ($) $ in Millions		12 Months Ended
	Mar. 18, 2024	Jul. 27, 2024	Jul. 29, 2023
Technology
Business Acquisition [Line Items]
Weighted- Average Useful Life (in Years)			3 years 8 months 12 days
Splunk
Business Acquisition [Line Items]
Amount	$ 10,550
Splunk \| Customer related
Business Acquisition [Line Items]
Weighted- Average Useful Life (in Years)	9 years 1 month 6 days
Amount	$ 6,140
Splunk \| Technology
Business Acquisition [Line Items]
Weighted- Average Useful Life (in Years)	6 years	6 years
Amount	$ 3,900
Splunk \| Trade name
Business Acquisition [Line Items]
Weighted- Average Useful Life (in Years)	12 years	12 years
Amount	$ 510