Business Combinations (Baxalta Pro Forma Information) (Details) - Baxalta $ / shares in Units, $ in Millions	3 Months Ended
Mar. 31, 2016 USD ($) $ / shares
Business Acquisition [Line Items]
Revenues	$ 3,257.3
Net (loss)/income from continuing operations	$ 305.1
Net (loss)/income from continuing operations per share - basic (in usd per share) \| $ / shares	$ 0.52
Net (loss)/income from continuing operations per share - diluted (in usd per share) \| $ / shares	$ 0.51
Increase/(decrease) to net income to reflect acquisition related costs	$ 39.5
Increase/(decrease) to net income to reflect the fair value adjustment to acquisition date inventory.	46.9
An adjustment to increase amortization of intangible assets	181.8
Decrease to net income to reflect the additional interest expense	$ 60.3

An adjustment to net income to reflect the acquisition and integration costs incurred in relation to the acquisition.

No definition available.

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- Definition

A pro forma adjustment to increase (decrease) amortization of an acquired intangible asset resulting from an assumed earlier acquisition date.

+ References

No definition available.

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- Definition

A pro forma adjustment to increase interest expense associated with the debt issued to partially finance the acquisition.

+ References

No definition available.

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- Definition

An adjustment to net income to reflect the acquisition and integration costs incurred in relation to the acquisition.

+ References

No definition available.

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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

Per basic share amount of pro forma income from continuing operations, after tax, as if the business combination had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

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- Definition

Per diluted share amount of pro forma income from continuing operations, after tax, as if the business combination had been completed at the beginning of a period.

+ References

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- Definition

Amount after tax of pro forma income from continuing operations as if the business combination had been completed at the beginning of a period.

+ References

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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