The percent of goodwill arising from a business combination that is expected to be deductible for tax purposes.

No definition available.

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- Definition

The amount of goodwill derecognized from separation.

+ References

No definition available.

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- 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.

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Acquisitions & Divestitures - Goodwill and Restricted Cash (Details) - USD ($) $ in Millions		12 Months Ended
	Jul. 09, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Acquisitions
Goodwill		$ 55,643	$ 53,765	$ 52,471
Red Hat, Inc.
Acquisitions
Weighted average useful life	10 years 10 months 24 days
Goodwill	$ 22,985	$ 20,300
Estimated percent of goodwill deductible for tax purposes		7.00%
Red Hat, Inc. \| Kyndryl Holdings, Inc
Acquisitions
Amount of goodwill derecognized		$ 2,700
Software \| Red Hat, Inc.
Acquisitions
Goodwill		18,400
Consulting \| Red Hat, Inc.
Acquisitions
Goodwill		1,100
Infrastructure \| Red Hat, Inc.
Acquisitions
Goodwill		$ 800