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Commitments, Contingencies and Guarantees Commitments, Contingencies and Guarantees (Narrative) (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2025 USD ($)
Commitments and Contingencies Disclosure [Abstract] |
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Amount of Advances | $ 1,300
Other Notes Payable | $ 3,800
Life Insurance Assumed Ratio | 75.00%
Coinsurance Agreement Ceded Amount Of Counterpartys Inforce Individual Life Insurance Liability | $ 32,000

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