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Future Policy Benefits - Schedule of Actual Experience and Expected Experience for Mortality and Lapses (Details) | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Actual experience | Traditional Life |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |
Mortality | 1.80% | 1.40%
Lapses | 0.00% | 0.10%
Actual experience | Immediate annuities |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |
Mortality | 3.00% | 2.70%
Lapses | 0.00% | 0.00%
Actual experience | PRT |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |
Mortality | 3.40% | 2.70%
Lapses | 0.00% | 0.00%
Expected experience | Traditional Life |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |
Mortality | 1.60% | 1.50%
Lapses | 0.60% | 0.50%
Expected experience | Immediate annuities |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |
Mortality | 1.70% | 1.90%
Lapses | 0.00% | 0.00%
Expected experience | PRT |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |
Mortality | 2.50% | 2.50%
Lapses | 0.00% | 0.00%

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