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Long-Duration Insurance Contracts - Actual and Expected Experience of Mortality Rate and Lapse Rate (Details) | Dec. 31, 2024 | Dec. 31, 2023
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Whole Life |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Mortality, actual experience | 0.70% | 0.70%
Mortality, expected experience | 0.80% | 0.70%
Lapse rate, actual experience | 3.00% | 3.40%
Lapse rate, expected experience | 4.50% | 4.80%
Term Life | Maximum |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Mortality, actual experience | 0.50% | 0.70%
Mortality, expected experience | 1.70% | 2.30%
Lapse rate, actual experience | 38.20% | 13.00%
Lapse rate, expected experience | 21.90% | 36.80%
Term Life | Minimum |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Mortality, actual experience | 0.10% | 0.10%
Mortality, expected experience | 0.10% | 0.10%
Lapse rate, actual experience | 3.90% | 5.30%
Lapse rate, expected experience | 5.60% | 5.80%
Experience life |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Mortality, actual experience | 1.80% | 1.60%
Mortality, expected experience | 1.70% | 1.60%
Lapse rate, actual experience | 2.90% | 3.20%
Lapse rate, expected experience | 3.10% | 3.10%
Limited-Pay Whole Life |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Mortality, actual experience | 0.10% | 0.20%
Mortality, expected experience | 0.30% | 0.30%
Lapse rate, actual experience | 4.00% | 4.20%
Lapse rate, expected experience | 4.80% | 5.40%
Supplemental health |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Mortality, actual experience | 31.80% | 32.40%
Mortality, expected experience | 26.30% | 26.10%
Lapse rate, actual experience | 9.70% | 8.80%
Lapse rate, expected experience | 9.90% | 9.30%

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