Goodwill and Purchased Intangible Assets - Schedule of Goodwill by Reportable Segments (Details) $ in Millions	6 Months Ended
	Jan. 28, 2023 USD ($)
Goodwill [Roll Forward]
Beginning Balance	$ 38,304
Acquisitions & Divestitures	3
Foreign Currency Translation and Other	81
Ending Balance	38,388
Americas
Goodwill [Roll Forward]
Beginning Balance	23,882
Acquisitions & Divestitures	3
Foreign Currency Translation and Other	51
Ending Balance	23,936
EMEA
Goodwill [Roll Forward]
Beginning Balance	9,062
Acquisitions & Divestitures	0
Foreign Currency Translation and Other	19
Ending Balance	9,081
APJC
Goodwill [Roll Forward]
Beginning Balance	5,360
Acquisitions & Divestitures	0
Foreign Currency Translation and Other	11
Ending Balance	$ 5,371