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INVESTMENTS - SDLP Portfolio (Details) $ in Millions	Sep. 30, 2025 USD ($) borrower	Dec. 31, 2024 USD ($) borrower
Schedule of Investments [Line Items]
Total unfunded capital commitments	$ 28	$ 29
Senior Direct Lending Program
Schedule of Investments [Line Items]
Number of borrowers in the SDLP | borrower	23	20
Total unfunded capital commitments	$ 260	$ 489
Senior Direct Lending Program | First lien senior secured loans
Schedule of Investments [Line Items]
Principal	4,518	4,759
Senior Direct Lending Program | Unitranche loans
Schedule of Investments [Line Items]
Principal	$ 3,504	$ 3,937

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