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COMMITMENTS AND CONTINGENCIES - Additional Information (Details) $ in Millions |  | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Oct. 08, 2024 USD ($) | May 31, 2024 USD ($) | Nov. 30, 2023 | Mar. 31, 2024 USD ($) | Sep. 30, 2024 USD ($) kiosk store | Sep. 30, 2023 USD ($)
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |
Property acquired |  |  |  |  | $ 27 | $ 18
Reasonably estimable of possible losses |  |  |  |  | 8 |
Payments of settlements |  | $ 13 |  |  |  |
Insurance deductible expense |  |  |  | $ 54 |  |
Insurance Claims |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |
Decrease in insurance refund recovery |  |  |  |  | 2 |
Surety Bond |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |
Contractual obligation |  |  |  |  | $ 732 |
Diamond Acquisition |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |
Damages sought |  |  |  | 104 |  |
Payments of settlements |  |  |  | $ 50 |  |
Marketing and license fee agreements |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |
Purchase commitment, period (in years) |  |  | 10 years |  |  |
Number of stores | store |  |  |  |  | 132 |
Number of virtual kiosks | kiosk |  |  |  |  | 9 |
Inventory Purchase Obligations |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |
Purchase commitment, period (in years) |  |  |  |  | 2 years |
Purchase commitment |  |  |  |  | $ 52 |
Inventory Purchase Obligations | JAPAN |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |
Vacation ownership intervals commitment |  |  |  |  | 27 |
Inventory Purchase Obligations | JAPAN | Subsequent Event |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |
Property acquired | $ 36 |  |  |  |  |
Other Commitments |  |  |  |  |  |
Long-term Purchase Commitment [Line Items] |  |  |  |  |  |
Purchase commitment |  |  |  |  | $ 25 |

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