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Investment Information - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2025 | Dec. 31, 2024
Schedule of Equity Method Investments [Line Items] |  |
Equity securities, at fair value | $ 1,864 | $ 1,675
Minimum |  |
Schedule of Equity Method Investments [Line Items] |  |
Time lag for reporting | 1 month |
Maximum |  |
Schedule of Equity Method Investments [Line Items] |  |
Time lag for reporting | 3 months |

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