DESCRIPTION OF BUSINESS (Details) - Discontinued Operations, Held-for-sale or Disposed of by Sale - Coty's Professional And Retail Hair Business - USD ($) $ in Millions	Dec. 31, 2020	Jun. 01, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration to be received from divestment		$ 4,300.0
Forecast
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage after transaction	40.00%
KKR | Forecast
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage after transaction	60.00%