Goodwill and Purchased Intangible Assets - Schedule of Goodwill by Reportable Segments (Details) $ in Millions	6 Months Ended
	Jan. 27, 2024 USD ($)
Goodwill [Roll Forward]
Beginning Balance	$ 38,535
Acquisitions	592
Foreign Currency Translation and Other	(40)
Ending Balance	39,087
Americas
Goodwill [Roll Forward]
Beginning Balance	24,035
Acquisitions	367
Foreign Currency Translation and Other	(25)
Ending Balance	24,377
EMEA
Goodwill [Roll Forward]
Beginning Balance	9,118
Acquisitions	121
Foreign Currency Translation and Other	(10)
Ending Balance	9,229
APJC
Goodwill [Roll Forward]
Beginning Balance	5,382
Acquisitions	104
Foreign Currency Translation and Other	(5)
Ending Balance	$ 5,481