Amortization and Impairment of Acquired Intangible Assets

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- Definition

Indefinite lived intangible assets useful life.

+ References

No definition available.

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- Definition

Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in remainder of current fiscal year.

+ References

No definition available.

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- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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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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- 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 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 926
-SubTopic 20
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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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- Definition

Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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- Definition

Amount before accumulated amortization of intangible assets, excluding goodwill.

+ References

No definition available.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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Intangible Assets and Goodwill (Details) - USD ($)	3 Months Ended
Intangible Assets and Goodwill (Details) - USD ($)	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Impairment of Intangible Assets (Excluding Goodwill)	$ 0		$ 0
Intangible assets
Contingent consideration impairment	33,800,000		4,600,000
Total intangible assets, gross	8,178,400,000	$ 8,220,800,000
Accumulated Amortization	(5,190,300,000)	(5,136,500,000)
Intangible assets, net	2,988,100,000	3,084,300,000
Amortization and impairment of acquired intangible assets	98,100,000		71,500,000
Expected future amortization expense, 2019 (remaining three months)	165,000,000.0
Expected future amortization expense, 2020	215,000,000.0
Expected future amortization expense, 2021	215,000,000.0
Expected future amortization expense, 2022	225,000,000.0
Expected future amortization expense, 2023	220,000,000.0
Expected future amortization expense, 2024	200,000,000.0
Out-licensed patents
Intangible assets
Cost	7,394,300,000	7,394,300,000
Net	2,204,000,000.0	2,257,800,000
Accumulated Amortization	$ 5,190,300,000	5,136,500,000
Out-licensed patents \| Minimum
Intangible assets
Estimated life, (in years)	13 years
Out-licensed patents \| Maximum
Intangible assets
Estimated life, (in years)	23 years
Developed technology \| Minimum
Intangible assets
Estimated life, (in years)	15 years
Developed technology \| Maximum
Intangible assets
Estimated life, (in years)	28 years
Acquired and in-licensed rights and patents \| Minimum
Intangible assets
Estimated life, (in years)	4 years
Acquired and in-licensed rights and patents \| Maximum
Intangible assets
Estimated life, (in years)	18 years
In Process Research and Development
Intangible assets
Indefinite lived intangible assets useful life	Indefinite until commercialization
Cost and Net	$ 720,100,000	762,500,000
Accumulated Amortization	$ 0	0
Trademarks and Trade Names
Intangible assets
Indefinite lived intangible assets useful life	Indefinite
Cost and Net	$ 64,000,000.0	64,000,000.0
Accumulated Amortization	0	0
TGN [Member] \| In Process Research and Development
Intangible assets
Cost and Net	135,100,000
Vixotrigine
Intangible assets
Amortization and impairment of acquired intangible assets	$ 44,300,000		$ 0
BIIB111 \| Nightstar
Intangible assets
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)		$ 115,000,000.0