LEGAL PROCEEDINGS - Securities and Other Class Actions (Details)				4 Months Ended	6 Months Ended	12 Months Ended
	Jun. 16, 2017 group	Feb. 10, 2017 USD ($) claim	Oct. 30, 2015 case	Sep. 16, 2016 action	Jun. 30, 2017 action	Dec. 31, 2015 case action
New Jersey | Unfavorable Regulatory Action
Loss Contingencies [Line Items]
Number of suits filed				3
Canada
Loss Contingencies [Line Items]
Number of suits filed | case						6
Canada | Violation of Canadian Provincial Securities Legislation
Loss Contingencies [Line Items]
Number of suits filed						5
Number of suits filed but not yet served					2
Number of actions expected to proceed					1
Litigation Management Agreement
Loss Contingencies [Line Items]
Expiration term after Litigation Management Agreements ends		30 days
Number of claims to be released upon Mutual Release | claim		1
Valeant US Securities Litigation | New Jersey
Loss Contingencies [Line Items]
Number of groups of investors filing action | group	10
Valeant US Securities Litigation | New Jersey | Unfavorable Regulatory Action
Loss Contingencies [Line Items]
Number of suits filed | case			4
Valeant Co Parties | Litigation Management Agreement
Loss Contingencies [Line Items]
Payment liability, percent		60.00%			50.00%
Pershing Square Parties | Litigation Management Agreement
Loss Contingencies [Line Items]
Payment liability, percent		40.00%			50.00%
Valeant and Pershing Square Capital Management | Litigation Management Agreement
Loss Contingencies [Line Items]
Legal fees and litigation expenses | $		$ 10,000,000