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REVENUE FROM CONTRACTS WITH CUSTOMERS - Schedule of Disaggregated Revenues by Product and Segment from Contracts with Customers (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Disaggregation of Revenue [Line Items]
Revenues	$ 1,285	$ 1,148
Real Estate Sales and Financing Segment
Disaggregation of Revenue [Line Items]
Revenues	754	645
Resort Operations and Club Management Segment
Disaggregation of Revenue [Line Items]
Revenues	382	370
Sales of VOIs, net
Disaggregation of Revenue [Line Items]
Revenues	455	378
Sales of VOIs, net | Real Estate Sales and Financing Segment
Disaggregation of Revenue [Line Items]
Revenues	455	378
Fee-for-service commissions, package sales and other fees
Disaggregation of Revenue [Line Items]
Revenues	161	142
Fee-for-service commissions, package sales and other fees | Real Estate Sales and Financing Segment
Disaggregation of Revenue [Line Items]
Revenues	161	142
Interest income | Real Estate Sales and Financing Segment
Disaggregation of Revenue [Line Items]
Revenues	125	115
Other financing revenue | Real Estate Sales and Financing Segment
Disaggregation of Revenue [Line Items]
Revenues	13	10
Club management | Resort Operations and Club Management Segment
Disaggregation of Revenue [Line Items]
Revenues	70	72
Resort management | Resort Operations and Club Management Segment
Disaggregation of Revenue [Line Items]
Revenues	115	111
Rental | Resort Operations and Club Management Segment
Disaggregation of Revenue [Line Items]
Revenues	183	174
Ancillary services | Resort Operations and Club Management Segment
Disaggregation of Revenue [Line Items]
Revenues	$ 14	$ 13

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