BUSINESS COMBINATIONS - Pro forma impact of business combinations (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Pro forma of consolidated results of operations
Revenues	$ 8,348.9	$ 7,929.9	$ 7,700.6
Net income (loss) attributable to Valeant Pharmaceuticals International, Inc.	$ 909.3	$ (801.9)	$ (709.6)
Earnings (loss) per share attributable to Valeant Pharmaceuticals International, Inc.:
Basic (in usd per share)	$ 2.71	$ (2.43)	$ (2.14)
Diluted (in usd per share)	$ 2.66	$ (2.43)	$ (2.14)

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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=25497992&loc=d3e1392-128463

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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

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

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