Goodwill and Purchased Intangible Assets - Schedule of Goodwill by Reportable Segments (Details) $ in Millions	3 Months Ended
	Oct. 26, 2024 USD ($)
Goodwill [Roll Forward]
Beginning Balance	$ 58,660
Acquisitions, net of Divestitures	132
Foreign Currency Translation and Other	(18)
Ending Balance	58,774
Americas
Goodwill [Roll Forward]
Beginning Balance	36,169
Acquisitions, net of Divestitures	86
Foreign Currency Translation and Other	(11)
Ending Balance	36,244
EMEA
Goodwill [Roll Forward]
Beginning Balance	14,283
Acquisitions, net of Divestitures	32
Foreign Currency Translation and Other	(4)
Ending Balance	14,311
APJC
Goodwill [Roll Forward]
Beginning Balance	8,208
Acquisitions, net of Divestitures	14
Foreign Currency Translation and Other	(3)
Ending Balance	$ 8,219