SECURITIZED DEBT - Vacation Ownership Notes Receivable Securitizations (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Vacation ownership notes receivable securitizations, gross	$ 1,856	$ 1,588
Secured debt, net	1,856	1,588
Variable Interest Entity
Debt Instrument [Line Items]
Vacation ownership notes receivable securitizations, gross	$ 1,877	1,604
Securitized debt \| Variable Interest Entity
Debt Instrument [Line Items]
Debt, weighted average interest rate	2.30%
Securitized debt \| Vacation Ownership Notes Receivable Securitizations \| Variable Interest Entity
Debt Instrument [Line Items]
Vacation ownership notes receivable securitizations, gross	$ 1,877	1,604
Unamortized debt discount and issuance costs	$ (21)	$ (16)
Securitized debt \| Minimum \| Variable Interest Entity
Debt Instrument [Line Items]
Debt, stated interest rate	1.50%
Securitized debt \| Maximum \| Variable Interest Entity
Debt Instrument [Line Items]
Debt, stated interest rate	4.40%

Contractual interest rate for funds borrowed, under the debt agreement.

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