SECURITIZED DEBT - Vacation Ownership Notes Receivable Securitizations (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Securitized debt, net	$ 1,926	$ 1,871
Secured debt, net	1,926	1,871
Debt \| Other
Debt Instrument [Line Items]
Secured debt, net	19	20
Variable Interest Entity
Debt Instrument [Line Items]
Securitized debt, net	1,925	1,871
Variable Interest Entity \| Debt
Debt Instrument [Line Items]
Securitized debt, net	$ 1,925
Debt, weighted average interest rate	2.90%
Variable Interest Entity \| Debt \| Minimum
Debt Instrument [Line Items]
Debt, stated interest rate	2.20%
Variable Interest Entity \| Debt \| Maximum
Debt Instrument [Line Items]
Debt, stated interest rate	4.40%
Variable Interest Entity \| Debt \| Warehouse Credit Facility
Debt Instrument [Line Items]
Securitized debt, net	$ 219	21
Unamortized debt issuance costs	(2)	(2)
Secured debt, net	217	19
Vacation Ownership Notes Receivable Securitizations \| Variable Interest Entity \| Debt
Debt Instrument [Line Items]
Securitized debt, net	1,706	1,850
Unamortized debt discount and issuance costs	(16)	(18)
Secured debt, net	$ 1,690	$ 1,832
Variable Interest Entity \| Debt \| Warehouse Credit Facility
Debt Instrument [Line Items]
Debt, interest rate, effective percentage	2.30%

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

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

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Amount of unamortized debt discount (premium) and debt issuance costs.

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Weighted average interest rate of debt outstanding.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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Secured Debt, Net

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