Goodwill and Purchased Intangible Assets - Schedule of Goodwill by Reportable Segments (Details) $ in Millions	9 Months Ended
	Apr. 26, 2025 USD ($)
Goodwill [Roll Forward]
Beginning Balance	$ 58,660
Acquisitions, net of Divestitures	191
Foreign Currency Translation and Other	173
Ending Balance	59,024
Americas
Goodwill [Roll Forward]
Beginning Balance	36,169
Acquisitions, net of Divestitures	121
Foreign Currency Translation and Other	109
Ending Balance	36,399
EMEA
Goodwill [Roll Forward]
Beginning Balance	14,283
Acquisitions, net of Divestitures	47
Foreign Currency Translation and Other	40
Ending Balance	14,370
APJC
Goodwill [Roll Forward]
Beginning Balance	8,208
Acquisitions, net of Divestitures	23
Foreign Currency Translation and Other	24
Ending Balance	$ 8,255