INVESTMENTS - Funded Capital and Unfunded Capital Commitments (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Schedule of Investments [Line Items]
Total net adjusted unfunded loan commitments	$ 25	$ 29
Senior Direct Lending Program
Schedule of Investments [Line Items]
Total capital funded	4,572	5,054
Total net adjusted unfunded loan commitments	339	489
Senior Direct Lending Program \| Ares Capital Corporation
Schedule of Investments [Line Items]
Total capital funded	1,231	1,310
Total net adjusted unfunded loan commitments	$ 86	$ 119

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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