Goodwill and Purchased Intangible Assets - Schedule of Goodwill by Reportable Segments (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 29, 2023	Jul. 30, 2022
Goodwill [Roll Forward]
Beginning balance	$ 38,304	$ 38,168
Acquisitions	183	332
Foreign Currency Translation and Other	48	(196)
Ending balance	38,535	38,304
Americas
Goodwill [Roll Forward]
Beginning balance	23,882	23,673
Acquisitions	123	222
Foreign Currency Translation and Other	30	(13)
Ending balance	24,035	23,882
EMEA
Goodwill [Roll Forward]
Beginning balance	9,062	9,094
Acquisitions	44	83
Foreign Currency Translation and Other	12	(115)
Ending balance	9,118	9,062
APJC
Goodwill [Roll Forward]
Beginning balance	5,360	5,401
Acquisitions	16	27
Foreign Currency Translation and Other	6	(68)
Ending balance	$ 5,382	$ 5,360