Goodwill and Purchased Intangible Assets - Schedule of Goodwill by Reportable Segments (Details) $ in Millions	6 Months Ended
	Jan. 25, 2025 USD ($)
Goodwill [Roll Forward]
Beginning Balance	$ 58,660
Acquisitions, net of Divestitures	168
Foreign Currency Translation and Other	(109)
Ending Balance	58,719
Americas
Goodwill [Roll Forward]
Beginning Balance	36,169
Acquisitions, net of Divestitures	108
Foreign Currency Translation and Other	(67)
Ending Balance	36,210
EMEA
Goodwill [Roll Forward]
Beginning Balance	14,283
Acquisitions, net of Divestitures	41
Foreign Currency Translation and Other	(26)
Ending Balance	14,298
APJC
Goodwill [Roll Forward]
Beginning Balance	8,208
Acquisitions, net of Divestitures	19
Foreign Currency Translation and Other	(16)
Ending Balance	$ 8,211