TIMESHARE FINANCING RECEIVABLES - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Aug. 31, 2023
Accounts Notes And Loans Receivable [Line Items]
Adjustment to estimate of variable consideration	$ 171	$ 140
Timeshare financing receivable not accruing interest	101	76
Originated
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	2,096	1,759
Interest receivable outstanding	$ 17	13
Financing receivable, weighted average interest rate (as a percent)	14.90%
Financing receivable, weighted average remaining term (in years)	8 years 3 months 18 days
Financing receivable weighted average maturities year	2038
Acquired
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	$ 765	709
Interest receivable outstanding	$ 4
Financing receivable, weighted average interest rate (as a percent)	14.70%
Financing receivable, weighted average remaining term (in years)	6 years 10 months 24 days
Financing receivable weighted average maturities year	2038
Legacy-Diamond
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivable not accruing interest	$ 373	377
Legacy-Grand Islander Receivables
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivable not accruing interest	$ 14
Minimum | Originated
Accounts Notes And Loans Receivable [Line Items]
Financing receivable, stated interest rate (as a percent)	1.50%
Minimum | Acquired
Accounts Notes And Loans Receivable [Line Items]
Financing receivable, stated interest rate (as a percent)	2.00%
Maximum | Originated
Accounts Notes And Loans Receivable [Line Items]
Financing receivable, stated interest rate (as a percent)	25.80%
Maximum | Acquired
Accounts Notes And Loans Receivable [Line Items]
Financing receivable, stated interest rate (as a percent)	25.00%
Non-recourse Debt
Accounts Notes And Loans Receivable [Line Items]
Long-term debt, gross	$ 1,482	1,113
Non-recourse Debt | Asset Pledged as Collateral
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	415	$ 105
Non-recourse Debt | Grand Islander | Asset Pledged as Collateral
Accounts Notes And Loans Receivable [Line Items]
Timeshare financing receivables, gross	$ 127
Timeshare Facility
Accounts Notes And Loans Receivable [Line Items]
Long-term debt, gross			$ 293
5.72% Timeshare Facility
Accounts Notes And Loans Receivable [Line Items]
Long-term debt, gross			$ 187
Debt instrument, stated interest rate			5.72%
6.11% Timeshare Facility
Accounts Notes And Loans Receivable [Line Items]
Long-term debt, gross			$ 79
Debt instrument, stated interest rate			6.11%
6.94% Timeshare Facility
Accounts Notes And Loans Receivable [Line Items]
Long-term debt, gross			$ 27
Debt instrument, stated interest rate			6.94%