DEBT - Repurchases of 5.75% Senior Notes due 2021 (Details) - USD ($)		1 Months Ended	5 Months Ended	8 Months Ended	12 Months Ended
	May 07, 2020	Jul. 31, 2020	Dec. 31, 2020	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Nov. 14, 2020	Nov. 13, 2020	Oct. 23, 2020
Debt Instrument [Line Items]
Interest paid					$ 241,500,000	$ 238,600,000
Gain on extinguishment of debt					0	43,100,000
Outstanding borrowings			$ 3,322,500,000	$ 3,322,500,000	3,442,700,000	3,322,500,000
Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Interest paid					241,500,000	238,600,000
Gain on extinguishment of debt					$ 0	$ 43,100,000
5.75% Senior Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)			5.75%	5.75%		5.75%
5.75% Senior Notes | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Stated interest rate (as a percent)			5.75%	5.75%		5.75%			5.75%
Debt repurchased	$ 50,000,000	$ 62,800,000	$ 44,400,000	$ 157,200,000
Interest paid	$ 700,000
Gain on extinguishment of debt				43,100,000
Outstanding borrowings			$ 0	$ 0		$ 0	$ 0	$ 175,500,000	$ 342,800,000