SECURITIZED DEBT - Schedule of Vacation Ownership Notes Receivable Securitizations (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Securitized debt	$ 2,353	$ 2,146
Securitized debt
Debt Instrument [Line Items]
Secured debt, net	2,353	2,146
Variable Interest Entity
Debt Instrument [Line Items]
Securitized debt	2,381	2,173
Variable Interest Entity \| Securitized debt
Debt Instrument [Line Items]
Securitized debt	$ 2,381
Debt, weighted average interest rate	4.80%
Variable Interest Entity \| Securitized debt \| Warehouse Credit Facility
Debt Instrument [Line Items]
Securitized debt	$ 165	0
Unamortized debt discount and issuance costs	(1)	0
Secured debt, net	$ 164	0
Interest rate, effective percentage	4.80%
Unamortized debt issuance costs	$ 2
Variable Interest Entity \| Securitized debt \| Minimum
Debt Instrument [Line Items]
Debt, stated interest rate	1.50%
Variable Interest Entity \| Securitized debt \| Maximum
Debt Instrument [Line Items]
Debt, stated interest rate	6.60%
Vacation Ownership Notes Receivable Securitizations \| Variable Interest Entity \| Securitized debt
Debt Instrument [Line Items]
Securitized debt	$ 2,216	2,173
Unamortized debt discount and issuance costs	(27)	(27)
Secured debt, net	$ 2,189	$ 2,146

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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