VACATION OWNERSHIP NOTES RECEIVABLE - Additional Information (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Weighted average FICO score within originated loan pool	722		722		721
Average estimated rate of default for all outstanding loans	13.35%		13.35%		11.62%
Estimated default rate increases that would have resulted an increase in allowance for credit losses	0.50%		0.50%
Financing receivable, allowance for credit losses, that would have been increased	$ 13		$ 13		$ 12
Sale of vacation ownership products
Accounts, Notes, Loans and Financing Receivable [Line Items]
Expenses	50	$ 76	174	$ 216
Acquired
Accounts, Notes, Loans and Financing Receivable [Line Items]
(Decrease) increase in vacation ownership notes receivable reserve			(3)
Originated
Accounts, Notes, Loans and Financing Receivable [Line Items]
(Decrease) increase in vacation ownership notes receivable reserve			$ 183
Stabilization of Defaults and the Alignment and Combination of the Reserves | Acquired
Accounts, Notes, Loans and Financing Receivable [Line Items]
(Decrease) increase in vacation ownership notes receivable reserve		(19)
Stabilization of Defaults and the Alignment and Combination of the Reserves | Originated
Accounts, Notes, Loans and Financing Receivable [Line Items]
(Decrease) increase in vacation ownership notes receivable reserve		21
Stabilization of Defaults and the Alignment and Combination of the Reserves | Originated | Sale of vacation ownership products
Accounts, Notes, Loans and Financing Receivable [Line Items]
Expenses		$ 21
Reserve Review | Originated
Accounts, Notes, Loans and Financing Receivable [Line Items]
(Decrease) increase in vacation ownership notes receivable reserve	$ (59)