(LOSS) EARNINGS PER SHARE - Schedule of (Loss) Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Earnings Per Share [Abstract]
Net (loss) income attributable to Valeant Pharmaceuticals International, Inc.	$ (1,218.4)	$ 49.5	$ (1,894.4)	$ 94.2
Basic weighted-average number of common shares outstanding (in shares)	349.5	344.9	346.5	340.8
Diluted effect of stock options, RSUs and other (in shares)	0.0	6.1	0.0	6.4
Diluted weighted-average number of common shares outstanding (in shares)	349.5	351.0	346.5	347.2
(Loss) earnings per share attributable to Valeant Pharmaceuticals International, Inc.:
Basic (in usd per share)	$ (3.49)	$ 0.14	$ (5.47)	$ 0.28
Diluted (in usd per share)	$ (3.49)	$ 0.14	$ (5.47)	$ 0.27

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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