Goodwill and Purchased Intangible Assets - Schedule of Goodwill by Reportable Segments (Details) $ in Millions	9 Months Ended
Apr. 30, 2022 USD ($)
Goodwill [Roll Forward]
Beginning Balance	$ 38,168
Acquisitions & Divestitures	332
Other	(48)
Ending Balance	38,452
Americas
Goodwill [Roll Forward]
Beginning Balance	23,673
Acquisitions & Divestitures	222
Other	79
Ending Balance	23,974
EMEA
Goodwill [Roll Forward]
Beginning Balance	9,094
Acquisitions & Divestitures	83
Other	(80)
Ending Balance	9,097
APJC
Goodwill [Roll Forward]
Beginning Balance	5,401
Acquisitions & Divestitures	27
Other	(47)
Ending Balance	$ 5,381

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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