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v3.25.1

Deferred Acquisition Costs and Other Actuarial Balances - Unearned Revenue Liability (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
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Other Actuarial Balances |  |  |
Total unearned revenue liability | $ 521.8 | $ 515.4 |
Universal life | Benefits and Protection | Life Insurance |  |  |
Other Actuarial Balances |  |  |
Total unearned revenue liability | 516.6 | 510.1 | $ 485.5
Other balances |  |  |
Other Actuarial Balances |  |  |
Total unearned revenue liability | $ 5.2 | $ 5.3 |

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