Goodwill and Intangible Assets (Changes in Carrying Amount of Goodwill) (Details) - USD ($) $ in Millions				9 Months Ended
		Aug. 05, 2016	Jun. 15, 2016	Sep. 30, 2016	Sep. 30, 2016
Goodwill [Line Items]
Goodwill, gross, beginning balance				$ 5,765.1
Accumulated impairment losses, beginning balance				(385.0)
Goodwill, net, beginning balance				5,380.1
Acquisitions	[1]			3,984.9
Measurement period adjustments				8.1
Foreign currency translation				260.0
Goodwill, gross, ending balance				10,018.1
Accumulated impairment losses, ending balance				(385.0)
Goodwill, net, ending balance				5,380.1	$ 9,633.1
Meda
Goodwill [Line Items]
Acquisitions		$ 3,677.6
Topicals Business
Goodwill [Line Items]
Acquisitions			$ 307.3
Generics Segment
Goodwill [Line Items]
Goodwill, gross, beginning balance				5,031.0
Accumulated impairment losses, beginning balance				0.0
Goodwill, net, beginning balance				5,031.0
Acquisitions	[1]			3,984.9
Measurement period adjustments				8.1
Foreign currency translation				260.0
Goodwill, gross, ending balance				9,284.0
Accumulated impairment losses, ending balance				0.0
Goodwill, net, ending balance				5,031.0	9,284.0
Specialty Segment
Goodwill [Line Items]
Goodwill, gross, beginning balance				734.1
Accumulated impairment losses, beginning balance				(385.0)
Goodwill, net, beginning balance				349.1
Acquisitions				0.0
Measurement period adjustments				0.0
Foreign currency translation				0.0
Goodwill, gross, ending balance				734.1
Accumulated impairment losses, ending balance				(385.0)
Goodwill, net, ending balance				$ 349.1	$ 349.1

[1] Includes goodwill related to the acquisition of Meda and the Topicals Business totaling $3.68 billion and $307.3 million, respectively.