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Acquisitions, Divestitures, Research Collaborations and License Agreements - Divestitures Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Acquisitions, Divestitures, Research Collaborations and License Agreements Transactions [Line Items]
Proceeds from sale of marketing rights	$ 50	$ 75
corticotropin marketing rights
Acquisitions, Divestitures, Research Collaborations and License Agreements Transactions [Line Items]
Proceeds from sale of marketing rights		$ 75

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- Definition

The cash inflow from disposal of asset without physical form usually arising from contractual or other legal rights, excluding goodwill.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

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