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v3.25.4

Commitments, Guarantees and Contingent Liabilities - Guaranty funds and Guarantees (Narrative) (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2025 | Dec. 31, 2024
Minimum |  |
Loss Contingencies |  |
Reasonably possible additional losses | $ 0 |
Maximum |  |
Loss Contingencies |  |
Reasonably possible additional losses | 153,000,000 |
Guaranty Funds |  |
Loss Contingencies |  |
Liability for insurance assessments | $ 12,000,000 | $ 13,000,000

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