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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

Intrinsic value of vested award under share-based payment arrangement. Excludes share and unit options.

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Percentage Of Fair Market Value Of Common Stock

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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Exercised

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SHARE-BASED COMPENSATION - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Marriott Vacations Worldwide Corporation [Member]
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares authorized (in shares)	1,800,000
Number of shares available for grant (in shares)	1,000,000
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award
Weighted average grant date fair value (in usd per share)	$ 151.86
Aggregate intrinsic value, vested (less than)	$ 65	$ 46	$ 30
SARs
Share-based Compensation Arrangement by Share-based Payment Award
Weighted average grant date fair value (in usd per share)	$ 59.68	$ 70.66	$ 29.63
Aggregate intrinsic value, vested (less than)	$ 2	$ 5	$ 4
Aggregate intrinsic value, exercised	$ 1	$ 14	$ 19
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares authorized (in shares)	500,000
Percentage of fair market value of common stock (not less than)	95.00%
Employees and Non Employee Directors \| Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award
Weighted average grant date fair value (in usd per share)		$ 161.42	$ 95.92
ILG, Inc \| Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award
Aggregate intrinsic value, vested (less than)		$ 3	$ 6