COMMITMENTS AND CONTINGENCIES Business Acquisitions (Details) - Planned Merger with Procter and Gamble Fine Fragrance, Color Cosmetics, and Hair Color Businesses - USD ($) $ / shares in Units, shares in Millions, $ in Millions	Dec. 31, 2015	Jul. 08, 2015
Business Acquisition [Line Items]
Estimated value of transaction	$ 13,000.0	$ 12,500.0
Percentage of diluted equity	52.00%
Value of equity component		9,600.0
Debt assumed	$ 2,400.0	2,900.0
Amount of adjustment		1,000.0
Number of shares	413
Value of combined company	$ 10,600.0
Minimum
Business Acquisition [Line Items]
Debt assumed		$ 1,900.0
Assumed debt per share of Coty's stock (in dollars per share)		$ 22.06
Maximum
Business Acquisition [Line Items]
Debt assumed		$ 3,900.0
Assumed debt per share of Coty's stock (in dollars per share)		$ 27.06