Goodwill and Purchased Intangible Assets - Schedule of Goodwill by Reportable Segments (Details) $ in Millions	3 Months Ended
	Oct. 29, 2022 USD ($)
Goodwill [Roll Forward]
Beginning Balance	$ 38,304
Foreign Currency Translation and Other	(144)
Ending Balance	38,160
Americas
Goodwill [Roll Forward]
Beginning Balance	23,882
Foreign Currency Translation and Other	(90)
Ending Balance	23,792
EMEA
Goodwill [Roll Forward]
Beginning Balance	9,062
Foreign Currency Translation and Other	(34)
Ending Balance	9,028
APJC
Goodwill [Roll Forward]
Beginning Balance	5,360
Foreign Currency Translation and Other	(20)
Ending Balance	$ 5,340