Acquisitions and Divestitures - Allocation of Consideration Transferred (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2013 Uteron Pharma, SA [Member]	Jan. 23, 2013 Uteron Pharma, SA [Member]	Oct. 31, 2012 Actavis Group [Member]
Business Acquisition [Line Items]
Cash and cash equivalents			$ 110.5
Accounts receivable		1.6	527.9
Inventories			680.1
Other current assets		1.2	286.2
Property and equipment		5.7	763.0
Other long term assets		0.5	16.9
IPR&D intangible assets	250.0	250.0	272.9
Intangible assets			2,268.0
Goodwill		26.4	2,895.2
Current liabilities			(1,396.5)
Current liabilities, excluding current portion of debt		(8.0)
Long-term deferred tax and other tax liabilities		(82.5)	(742.4)
Other long term liabilities		(4.3)	(176.0)
Contingent consideration	(43.4)	(43.4)
Debt		(5.2)	(14.1)
Noncontrolling interests			(21.9)
Net assets acquired		$ 145.0	$ 5,469.8

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Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed In Process Research And Development

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Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Long Term Assets

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Fair value, as of the acquisition date, of potential payments under the contingent consideration arrangement including cash and shares.

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

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The amount of inventory recognized as of the acquisition date.

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The net amount recognized as of the acquisition date for the aggregate identifiable assets acquired in excess of or less than the aggregate liabilities assumed.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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