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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
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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