REVENUE FROM CONTRACTS WITH CUSTOMERS - Schedule of Deferred Revenue, Cost of VOI Sales and Direct Selling Costs from Sales of VOIs Related to Project Under Construction (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Disaggregation Of Revenue [Line Items]
Sales of VOIs, net	$ 215	$ 190
Sales of VOIs
Disaggregation Of Revenue [Line Items]
Sales of VOIs, net	39	3
Cost of VOI sales	10	1
Sales and marketing expense	$ 6	$ 1