STOCK COMPENSATION PLAN - Activity Related to Time-based and Performance-based RSUs and the Grant Date Fair Value (Details) - $ / shares	12 Months Ended	28 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021
Restricted Stock Units
Restricted Stock Units
Awards granted (in shares)	1,761,779	1,065,319
Revlon 2019 Transaction Incentive Program \| 2019 \| Time-Based LTIP
Restricted Stock Units
Outstanding, beginning of period (in shares)	58,800
Awards granted (in shares)	80,100
Awards vested (in shares)	(53,000.0)
Awards forfeited/canceled (in shares)	(11,200)
Outstanding, end of period (in shares)	74,600	58,800	74,600
Weighted Average Grant Date Fair Value Per RSU
Outstanding, weighted average grant date fair value (in dollars per share)	$ 15.95
Awards granted, weighted average grant date fair value (in dollars per share)	13.11
Awards vested, weighted average grant date fair value (in dollars per share)	15.53
Awards forfeited/canceled, weighted average grant date fair value (in dollars per share)	15.12
Outstanding, weighted average grant date fair value (in dollars per share)	$ 13.16	$ 15.95	$ 13.16
Revlon 2019 Transaction Incentive Program, Tier 1 \| Restricted Stock Units
Weighted Average Grant Date Fair Value Per RSU
Accelerated vesting, number of awards (in shares)	6,540		47,743
LTIP Plan \| Restricted Stock Units
Weighted Average Grant Date Fair Value Per RSU
Accelerated vesting, number of awards (in shares)	8,121		57,763
LTIP Plan \| Time-Based LTIP
Restricted Stock Units
Outstanding, beginning of period (in shares)	732,200
Awards granted (in shares)	1,681,700
Awards vested (in shares)	(340,000.0)
Awards forfeited/canceled (in shares)	(201,600)
Outstanding, end of period (in shares)	1,872,300	732,200	1,872,300
LTIP Plan \| Performance-Based LTIP
Restricted Stock Units
Outstanding, beginning of period (in shares)	934,100
Awards granted (in shares)	0
Awards vested (in shares)	(38,500)
Awards forfeited/canceled (in shares)	(306,800)
Outstanding, end of period (in shares)	588,900	934,100	588,900
LTIP Plan \| 2018 \| Time-Based LTIP
Restricted Stock Units
Outstanding, beginning of period (in shares)	66,400
Awards granted (in shares)	0
Awards vested (in shares)	(65,900)
Awards forfeited/canceled (in shares)	(500)
Outstanding, end of period (in shares)	0	66,400	0
Weighted Average Grant Date Fair Value Per RSU
Outstanding, weighted average grant date fair value (in dollars per share)	$ 19.40
Awards granted, weighted average grant date fair value (in dollars per share)	0
Awards vested, weighted average grant date fair value (in dollars per share)	19.42
Awards forfeited/canceled, weighted average grant date fair value (in dollars per share)	16.80
Outstanding, weighted average grant date fair value (in dollars per share)		$ 19.40
LTIP Plan \| 2018 \| Performance-Based LTIP
Restricted Stock Units
Outstanding, beginning of period (in shares)	215,900
Awards granted (in shares)	0
Awards vested (in shares)	(38,500)
Awards forfeited/canceled (in shares)	(177,400)
Outstanding, end of period (in shares)	0	215,900	0
Weighted Average Grant Date Fair Value Per RSU
Outstanding, weighted average grant date fair value (in dollars per share)	$ 19.42
Awards granted, weighted average grant date fair value (in dollars per share)	0
Awards vested, weighted average grant date fair value (in dollars per share)	19.44
Awards forfeited/canceled, weighted average grant date fair value (in dollars per share)	19.42
Outstanding, weighted average grant date fair value (in dollars per share)	$ 0	$ 19.42	$ 0
LTIP Plan \| 2019 \| Time-Based LTIP
Restricted Stock Units
Outstanding, beginning of period (in shares)	169,300
Awards granted (in shares)	0
Awards vested (in shares)	(91,400)
Awards forfeited/canceled (in shares)	(8,100)
Outstanding, end of period (in shares)	69,800	169,300	69,800
Weighted Average Grant Date Fair Value Per RSU
Outstanding, weighted average grant date fair value (in dollars per share)	$ 22.55
Awards granted, weighted average grant date fair value (in dollars per share)	0
Awards vested, weighted average grant date fair value (in dollars per share)	22.53
Awards forfeited/canceled, weighted average grant date fair value (in dollars per share)	22.55
Outstanding, weighted average grant date fair value (in dollars per share)	$ 22.58	$ 22.55	$ 22.58
LTIP Plan \| 2019 \| Performance-Based LTIP
Restricted Stock Units
Outstanding, beginning of period (in shares)	255,300
Awards granted (in shares)	0
Awards vested (in shares)	0
Awards forfeited/canceled (in shares)	(44,200)
Outstanding, end of period (in shares)	211,200	255,300	211,200
Weighted Average Grant Date Fair Value Per RSU
Outstanding, weighted average grant date fair value (in dollars per share)	$ 22.55
Awards granted, weighted average grant date fair value (in dollars per share)	0
Awards vested, weighted average grant date fair value (in dollars per share)	0
Awards forfeited/canceled, weighted average grant date fair value (in dollars per share)	22.55
Outstanding, weighted average grant date fair value (in dollars per share)	$ 22.55	$ 22.55	$ 22.55
LTIP Plan \| 2020 \| Time-Based LTIP
Restricted Stock Units
Outstanding, beginning of period (in shares)	496,500
Awards granted (in shares)	0
Awards vested (in shares)	(182,700)
Awards forfeited/canceled (in shares)	(59,900)
Outstanding, end of period (in shares)	253,900	496,500	253,900
Weighted Average Grant Date Fair Value Per RSU
Outstanding, weighted average grant date fair value (in dollars per share)	$ 14.96
Awards granted, weighted average grant date fair value (in dollars per share)	0
Awards vested, weighted average grant date fair value (in dollars per share)	14.96
Awards forfeited/canceled, weighted average grant date fair value (in dollars per share)	14.96
Outstanding, weighted average grant date fair value (in dollars per share)	$ 14.96	$ 14.96	$ 14.96
LTIP Plan \| 2020 \| Performance-Based LTIP
Restricted Stock Units
Outstanding, beginning of period (in shares)	462,900
Awards granted (in shares)	0
Awards vested (in shares)	0
Awards forfeited/canceled (in shares)	(85,200)
Outstanding, end of period (in shares)	377,700	462,900	377,700
Weighted Average Grant Date Fair Value Per RSU
Outstanding, weighted average grant date fair value (in dollars per share)	$ 14.96
Awards granted, weighted average grant date fair value (in dollars per share)	0
Awards vested, weighted average grant date fair value (in dollars per share)	0
Awards forfeited/canceled, weighted average grant date fair value (in dollars per share)	14.96
Outstanding, weighted average grant date fair value (in dollars per share)	$ 14.96	$ 14.96	$ 14.96
LTIP Plan \| 2021 \| Time-Based LTIP
Restricted Stock Units
Awards granted (in shares)	1,681,700
Awards forfeited/canceled (in shares)	(133,100)
Outstanding, end of period (in shares)	1,548,600		1,548,600
Weighted Average Grant Date Fair Value Per RSU
Awards granted, weighted average grant date fair value (in dollars per share)	$ 10.59
Awards forfeited/canceled, weighted average grant date fair value (in dollars per share)	10.69
Outstanding, weighted average grant date fair value (in dollars per share)	$ 10.58		$ 10.58
LTIP Plan \| 2021 \| Performance-Based LTIP
Restricted Stock Units
Awards granted (in shares)	0
Awards forfeited/canceled (in shares)	0
Outstanding, end of period (in shares)	0		0
Weighted Average Grant Date Fair Value Per RSU
Awards granted, weighted average grant date fair value (in dollars per share)	$ 0
Awards forfeited/canceled, weighted average grant date fair value (in dollars per share)	0
Outstanding, weighted average grant date fair value (in dollars per share)	$ 0		$ 0
Total LTIP and TIP RSU's \| Time-Based LTIP
Restricted Stock Units
Outstanding, beginning of period (in shares)	791,000.0
Outstanding, end of period (in shares)	1,946,900	791,000.0	1,946,900
Total LTIP and TIP RSU's \| Performance-Based LTIP
Restricted Stock Units
Outstanding, beginning of period (in shares)	934,100
Outstanding, end of period (in shares)	588,900	934,100	588,900

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Number of shares for which recognition of cost was accelerated for award under share-based payment arrangement.

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