EQUITY-BASED COMPENSATION - Restricted Stock Units and Awards Activity (Details) - RSUs and RSAs shares in Millions	12 Months Ended
Dec. 31, 2021 $ / shares shares
Number of restricted stock units and awards
Non-vested at beginning of period (shares) \| shares	1.5
Granted (shares) \| shares	0.6
Vested (shares) \| shares	(0.7)
Forfeited (shares) \| shares	(0.1)
Non-vested at end of period (shares) \| shares	1.3
Weighted-average fair value per unit and award
Non-vested at beginning of period (USD per share) \| $ / shares	$ 85.09
Granted (USD per share) \| $ / shares	132.69
Vested (USD per share) \| $ / shares	91.20
Forfeited (USD per share) \| $ / shares	105.68
Non-vested at end of period (USD per share) \| $ / shares	$ 104.86

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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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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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 weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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Number of shares related to Restricted Stock Award forfeited during the period.

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Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

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