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Goodwill and Purchased Intangible Assets - Schedule of Goodwill by Reportable Segments (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jul. 30, 2022 | Jul. 31, 2021
Goodwill [Roll Forward] |  |
Beginning balance | $ 38,168 | $ 33,806
Acquisitions & Divestitures | 332 | 4,214
Other | (196) | 148
Ending balance | 38,304 | 38,168
Americas |  |
Goodwill [Roll Forward] |  |
Beginning balance | 23,673 | 21,304
Acquisitions & Divestitures | 222 | 2,275
Other | (13) | 94
Ending balance | 23,882 | 23,673
EMEA |  |
Goodwill [Roll Forward] |  |
Beginning balance | 9,094 | 8,040
Acquisitions & Divestitures | 83 | 1,019
Other | (115) | 35
Ending balance | 9,062 | 9,094
APJC |  |
Goodwill [Roll Forward] |  |
Beginning balance | 5,401 | 4,462
Acquisitions & Divestitures | 27 | 920
Other | (68) | 19
Ending balance | $ 5,360 | $ 5,401

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