Amount of increase (decrease) in accumulated amortization in the reporting period.

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- Definition

The aggregate expense net of any currency impact charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

No definition available.

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- Definition

The amount of fully amortized intangible assets that the entity retired during the period.

+ References

No definition available.

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

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-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount of increase (decrease) in carrying value of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

No definition available.

+ Details

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- References

No definition available.

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Intangible Assets Including Goodwill - Intangible Assets Activity (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Intangible assets
Intangible assets, increase (decrease)			$ 12,526
Gross carrying amount	$ 19,443		19,443		$ 6,489
Accumulated amortization	3,830		3,830		$ 3,402
Intangible asset amortization expense	$ 614	$ 348	1,224	$ 1,031
Retirement of fully amortized intangible assets			543
Divested businesses
Intangible assets
Intangible assets, increase (decrease)			(317)
Accumulated amortization, increase (decrease)			(253)
Red Hat, Inc.
Intangible assets
Intangible assets			13,472
Red Hat, Inc. \| Cloud & Cognitive Software
Intangible assets
Intangible assets			10,729
Red Hat, Inc. \| Global Technology Services
Intangible assets
Intangible assets			1,819
Red Hat, Inc. \| Global Business Services
Intangible assets
Intangible assets			617
Red Hat, Inc. \| Systems
Intangible assets
Intangible assets			$ 306