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DEBT AND EQUITY SECURITIES - Schedule of Debt and Equity Securities HTM (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Jun. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023
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Investments, Debt and Equity Securities [Abstract] |  |  |  |  |  |
HTM debt securities | $ 315 |  | $ 276 |  |  |
Less: allowance for credit losses | (9) | $ (9) | (9) | $ (9) | $ (9) | $ (13)
Total HTM debt securities, net of allowances | 306 |  | 267 |  |  |
Gross HTM debt securities on nonaccrual status | 16 |  | 0 |  |  |
Schedule of Investments |  |  |  |  |  |
HTM debt securities | 315 |  | 276 |  |  |
Hyatt Regency Orlando | Preferred Equity Investment |  |  |  |  |  |
Investments, Debt and Equity Securities [Abstract] |  |  |  |  |  |
HTM debt securities | 194 |  | 194 |  |  |
Schedule of Investments |  |  |  |  |  |
HTM debt securities | 194 |  | 194 |  |  |
Debt instrument, unamortized discount | $ 31 |  | $ 35 |  |  |
Debt instrument, interest rate, effective percentage | 8.90% |  |  |  |  |

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