Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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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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Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Jun. 03, 2016	Jan. 22, 2016	Feb. 21, 2015
Finite-Lived Intangible Assets [Line Items]
Impairment charges	$ 8.9	$ 643.7	$ 190.3
Change in fair value of contingent consideration	$ (11.1)	149.9	$ (14.7)
NPS Pharma
Finite-Lived Intangible Assets [Line Items]
Intangible assets		5,474.9
Currently marketed products \| Baxalta
Finite-Lived Intangible Assets [Line Items]
Intangible assets				$ 21,995.0
Currently marketed products \| Dyax
Finite-Lived Intangible Assets [Line Items]
Intangible assets					$ 135.0
Currently marketed products \| NPS Pharma
Finite-Lived Intangible Assets [Line Items]
Intangible assets						$ 4,640.0
IPR&D \| Baxalta
Finite-Lived Intangible Assets [Line Items]
Intangible assets				730.0
IPR&D \| Dyax
Finite-Lived Intangible Assets [Line Items]
Intangible assets					4,100.0
IPR&D \| Meritage and Foresight
Finite-Lived Intangible Assets [Line Items]
Intangible assets		475.0
Favorable Manufacturing Contract \| Baxalta
Finite-Lived Intangible Assets [Line Items]
Intangible assets				$ 42.2
Other intangible assets \| Dyax
Finite-Lived Intangible Assets [Line Items]
Intangible assets					$ 425.0
Other intangible assets \| NPS Pharma
Finite-Lived Intangible Assets [Line Items]
Intangible assets						$ 353.0
Currently marketed products and royalty rights \| NPS Pharma
Finite-Lived Intangible Assets [Line Items]
Intangible assets		4,993.0
SHP625 and SHP608 combined \| Lumena and Lotus Tissue Repair
Finite-Lived Intangible Assets [Line Items]
Change in fair value of contingent consideration		$ (203.2)