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AGREEMENTS - Base Management Fee, Income Based Fee, and Capital Gains Incentive Fee (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Investment Company [Abstract] |  |  |
Base management fee | $ 374 | $ 323 | $ 305
Income based fee | 364 | 328 | 252
Capital gains incentive fee | $ 18 | $ 53 | $ (101)

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