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Goodwill and Purchased Intangible Assets - Schedule of Goodwill by Reportable Segments (Details) $ in Millions	3 Months Ended
	Oct. 30, 2021 USD ($)
Goodwill [Roll Forward]
Beginning Balance	$ 38,168
Acquisitions & Divestitures	305
Foreign Currency Translation and Other	329
Ending Balance	38,802
Americas
Goodwill [Roll Forward]
Beginning Balance	23,673
Acquisitions & Divestitures	204
Foreign Currency Translation and Other	315
Ending Balance	24,192
EMEA
Goodwill [Roll Forward]
Beginning Balance	9,094
Acquisitions & Divestitures	77
Foreign Currency Translation and Other	9
Ending Balance	9,180
APJC
Goodwill [Roll Forward]
Beginning Balance	5,401
Acquisitions & Divestitures	24
Foreign Currency Translation and Other	5
Ending Balance	$ 5,430

X

- Definition

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.

+ References

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-SubTopic 210
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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- Definition

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