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Derivative Instruments - Schedule of CDSs Contingencies (Details) - Credit Default Swap, Selling Protection - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024
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Credit Derivatives [Line Items] |  |
Maximum potential payout | $ 62 | $ 0
Less: Counterparty thresholds | 0 | 0
Maximum collateral potentially required to post | $ 62 | $ 0

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