REVENUE FROM CONTRACTS WITH CUSTOMERS - Schedule of Disaggregated Revenues by Product and Segment from Contracts with Customers (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation Of Revenue [Line Items]
Total revenues	$ 1,266	$ 1,235	$ 2,414	$ 2,391
Real Estate Sales and Financing Segment
Disaggregation Of Revenue [Line Items]
Total revenues	760	740	1,405	1,427
Resort Operations and Club Management Segment
Disaggregation Of Revenue [Line Items]
Total revenues	378	366	748	713
Sales of VOIs, net
Disaggregation Of Revenue [Line Items]
Total revenues	469	471	847	909
Sales of VOIs, net \| Real Estate Sales and Financing Segment
Disaggregation Of Revenue [Line Items]
Total revenues	469	471	847	909
Fee-for-service commissions, package sales and other fees
Disaggregation Of Revenue [Line Items]
Total revenues	165	167	307	312
Fee-for-service commissions, package sales and other fees \| Real Estate Sales and Financing Segment
Disaggregation Of Revenue [Line Items]
Total revenues	165	167	307	312
Interest income \| Real Estate Sales and Financing Segment
Disaggregation Of Revenue [Line Items]
Total revenues	114	88	229	184
Other financing revenue \| Real Estate Sales and Financing Segment
Disaggregation Of Revenue [Line Items]
Total revenues	12	14	22	22
Club management \| Resort Operations and Club Management Segment
Disaggregation Of Revenue [Line Items]
Total revenues	70	67	142	130
Resort management \| Resort Operations and Club Management Segment
Disaggregation Of Revenue [Line Items]
Total revenues	113	104	224	207
Rental \| Resort Operations and Club Management Segment
Disaggregation Of Revenue [Line Items]
Total revenues	180	181	354	350
Ancillary services \| Resort Operations and Club Management Segment
Disaggregation Of Revenue [Line Items]
Total revenues	$ 15	$ 14	$ 28	$ 26