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REVENUE FROM CONTRACTS WITH CUSTOMERS - Schedule of Composition of our Contract Liabilities (Details) - USD ($) $ in Millions | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Disaggregation of Revenue [Line Items] |  |
Bonus point incentive liability | $ 51 | $ 52
Advanced deposits |  |
Disaggregation of Revenue [Line Items] |  |
Contract with customer, liability | 233 | 228
Deferred sales of VOIs of projects under construction |  |
Disaggregation of Revenue [Line Items] |  |
Contract with customer, liability | 485 | 460
Club activation fees and annual dues |  |
Disaggregation of Revenue [Line Items] |  |
Contract with customer, liability | 184 | 74
Bonus point incentive liability |  |
Disaggregation of Revenue [Line Items] |  |
Contract with customer, liability | 110 | 113
Other |  |
Disaggregation of Revenue [Line Items] |  |
Contract with customer, liability | $ 97 | $ 42

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