TIMESHARE FINANCING RECEIVABLES - Additional Information (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2025	Dec. 31, 2024
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivable not accruing interest	$ 378	$ 323
Originated
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	3,211	2,932
Interest receivable outstanding	$ 22	22
Financing receivable, weighted average interest rate (as a percent)	15.00%
Financing receivable, weighted average remaining term (in years)	8 years 8 months 12 days
Originated \| Minimum
Accounts Notes And Loans Receivable [Line Items]
Financing receivable, stated interest rate (as a percent)	1.50%
Originated \| Maximum
Accounts Notes And Loans Receivable [Line Items]
Financing receivable, stated interest rate (as a percent)	25.80%
Acquired
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	$ 815	1,084
Interest receivable outstanding	$ 6	7
Financing receivable, weighted average interest rate (as a percent)	15.00%
Financing receivable, weighted average remaining term (in years)	6 years 4 months 24 days
Acquired \| Minimum
Accounts Notes And Loans Receivable [Line Items]
Financing receivable, stated interest rate (as a percent)	2.00%
Acquired \| Maximum
Accounts Notes And Loans Receivable [Line Items]
Financing receivable, stated interest rate (as a percent)	25.00%
Secured Debt \| Asset Pledged as Collateral
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	$ 1,027	455
Securitized
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	300
Securitized \| Originated
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	1,297	1,168
Securitized \| Acquired
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	506	641
Legacy-Diamond
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivable not accruing interest	158	$ 231
4.88% Timeshare Facility
Accounts Notes And Loans Receivable [Line Items]
Debt instrument, face amount	$ 166
Debt instrument, stated interest rate (as a percent)	4.88%
5.18% Timeshare Facility
Accounts Notes And Loans Receivable [Line Items]
Debt instrument, face amount	$ 87
Debt instrument, stated interest rate (as a percent)	5.18%
5.52% Timeshare Facility
Accounts Notes And Loans Receivable [Line Items]
Debt instrument, face amount	$ 47
Debt instrument, stated interest rate (as a percent)	5.52%

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Time-sharing Transactions, Weighted Average Interest Rate for Notes Receivable

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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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Face (par) amount of debt instrument at time of issuance.

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