Amortization and Impairment of Acquired Intangible Assets

No definition available.

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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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- Definition

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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- Definition

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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- Definition

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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- Definition

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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-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 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
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959

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-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 of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ References

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- Definition

Amount before accumulated amortization of intangible assets, excluding goodwill.

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph ((a)(1),(b))
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

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- References

No definition available.

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Intangible Assets and Goodwill (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Intangible assets
Total intangible assets, gross	$ 7,588.3		$ 7,588.3		$ 7,609.8
Accumulated Amortization	(5,579.4)		(5,579.4)		(5,388.5)
Intangible assets, net	2,008.9		2,008.9		2,221.3
Amortization and impairment of acquired intangible assets	56.5	$ 111.0	190.9	$ 813.2
Expected future amortization expense, 2019 (remaining three months)	55.0		55.0
Expected future amortization expense, 2020	215.0		215.0
Expected future amortization expense, 2021	195.0		195.0
Expected future amortization expense, 2022	190.0		190.0
Expected future amortization expense, 2023	175.0		175.0
Expected future amortization expense, 2024	165.0		165.0
Completed technology
Intangible assets
Cost	7,415.0		7,415.0		7,413.1
Net	1,835.6		1,835.6		2,024.6
Accumulated Amortization	(5,579.4)		$ (5,579.4)		(5,388.5)
Completed technology \| Minimum
Intangible assets
Useful life			4 years
Completed technology \| Maximum
Intangible assets
Useful life			28 years
In-process research and development
Intangible assets
Cost and Net	109.3		$ 109.3		132.7
Accumulated Amortization	0.0		0.0		0.0
Indefinite-lived Intangible Assets (Excluding Goodwill)	109.3		109.3		132.7
Trademarks and Trade Names
Intangible assets
Cost and Net	64.0		64.0		64.0
Accumulated Amortization	0.0		0.0		0.0
Indefinite-lived Intangible Assets (Excluding Goodwill)	64.0		64.0		$ 64.0
BIIB111
Intangible assets
Amortization and impairment of acquired intangible assets		15.0		365.0
BIIB112
Intangible assets
Amortization and impairment of acquired intangible assets		28.4		220.0
Vixotrigine
Intangible assets
Amortization and impairment of acquired intangible assets				$ 44.3
TGN \| In-process research and development
Intangible assets
Cost and Net	109.3		109.3
Indefinite-lived Intangible Assets (Excluding Goodwill)	$ 109.3		$ 109.3
BIIB111 and BIIB112
Intangible assets
Amortization and impairment of acquired intangible assets		$ 39.1