DEBT - Narrative (Details)					3 Months Ended		6 Months Ended
	May 07, 2021 USD ($)	May 06, 2021 USD ($)	Mar. 08, 2021 USD ($)	Mar. 02, 2021 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Mar. 07, 2021 USD ($)	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Selling, general and administrative expenses					$ 279,400,000	$ 196,300,000	$ 539,900,000	$ 485,700,000
Amortization of debt issuance costs					13,300,000	6,000,000.0	22,000,000.0	10,000,000.0
Held in escrow					18,600,000	5,400,000	18,600,000	5,400,000
Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Selling, general and administrative expenses					277,700,000	194,400,000	537,200,000	481,800,000
Amortization of debt issuance costs					13,300,000	6,000,000.0	22,000,000.0	10,000,000.0
Held in escrow					18,600,000	$ 5,400,000	18,600,000	$ 5,400,000
2016 Revolving Credit Agreement | Revolving credit facility | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Covenant springing maturity, number of days prior to the maturity date	91 days
Minimum excess available reserve requirement, fixed charge coverage ratio greater than 1.0		$ 20,000,000
Minimum excess available reserve requirement, fixed charge coverage ratio less than 1.00x		30,000,000
Springing minimum fixed charge coverage ratio based on excess availability triggering event	1.00
Springing minimum fixed charge cover ratio triggering event, excess availability threshold	$ 27,500,000
Springing cash dominion requirement triggering event, excess availability threshold	45,000,000
Tranche A Revolving Credit Facility | Revolving credit facility | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Maximum borrowing capacity	270,000,000	$ 300,000,000	$ 300,000,000		270,000,000.0		270,000,000.0
Selling, general and administrative expenses					800,000		800,000
Amortization of debt issuance costs					4,700,000		4,700,000
Deferred financing cots incurred	$ 2,100,000		4,200,000
Unamortized deferred financing costs			$ 5,100,000
Increase in interest margin			0.50%
Tranche A Revolving Credit Facility | Revolving credit facility | Revlon Consumer Products Corporation | Minimum
Debt Instrument [Line Items]
Basis spread on variable interest rate			2.50%
Tranche A Revolving Credit Facility | Revolving credit facility | Revlon Consumer Products Corporation | Maximum
Debt Instrument [Line Items]
Basis spread on variable interest rate			3.00%
Tranche A Revolving Credit Facility | Revolving credit facility | Revlon Consumer Products Corporation | LIBOR
Debt Instrument [Line Items]
Basis spread on variable interest rate	3.75%
Variable rate floor	0.50%	1.75%
Tranche A Revolving Credit Facility | Revolving credit facility | Revlon Consumer Products Corporation | LIBOR | Minimum
Debt Instrument [Line Items]
Basis spread on variable interest rate		2.50%
Tranche A Revolving Credit Facility | Revolving credit facility | Revlon Consumer Products Corporation | LIBOR | Maximum
Debt Instrument [Line Items]
Basis spread on variable interest rate		3.00%
SISO Term Loan Facility | Revolving credit facility | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Deferred financing cots incurred			$ 4,300,000
SISO Term Loan Facility | Secured debt | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 130,000,000	$ 100,000,000	100,000,000		130,000,000.0		130,000,000.0
Selling, general and administrative expenses					400,000		400,000
Amortization of debt issuance costs					1,400,000		1,400,000
Deferred financing cots incurred	$ 900,000
Unamortized deferred financing costs		$ 4,000,000.0
Proceeds from long-term lines of credit			$ 100,000,000
SISO Term Loan Facility | Secured debt | Revlon Consumer Products Corporation | LIBOR
Debt Instrument [Line Items]
Basis spread on variable interest rate			5.75%
Variable rate floor			1.75%
Amended 2016 Revolving Credit Facility due 2021, Tranche A | Revolving credit facility | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Maximum borrowing capacity									$ 400,000,000
Unamortized deferred financing costs									$ 800,000
2021 Foreign Asset-Based Term Facility | Secured debt | Revlon Consumer Products Corporation
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 75,000,000
Amortization of debt issuance costs					0		1,000,000.0
Deferred financing cots incurred				3,200,000
Held in escrow				$ 7,500,000	$ 13,800,000		$ 13,800,000
Borrowing base calculation, percentage of eligible accounts receivable				80.00%
Borrowing base calculation, percentage of eligible inventory				65.00%
Borrowing base calculation, percentage of eligible real property				45.00%
Prepayment premium, first year after the closing date				3.00%
Prepayment premium, second year after the closing date				2.00%
Prepayment premium, third year after the closing date and thereafter				1.00%
Covenant, minimum cash and cash equivalents				$ 3,500,000
Covenant, minimum cash and cash equivalents, business days prior to month end				10 days
2021 Foreign Asset-Based Term Facility | Secured debt | Revlon Consumer Products Corporation | LIBOR
Debt Instrument [Line Items]
Basis spread on variable interest rate				8.50%
Variable rate floor				1.50%
5.75% Senior Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)					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%
2020 Troubled-debt-restructuring: future interest
Debt Instrument [Line Items]
Future interest payments included in restructured debt										$ 57,800,000
Future interest amortization					$ 4,300,000		$ 7,900,000