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v3.25.1

Long-Duration Insurance Contracts - Actual and Expected Experience of Mortality Rate and Lapse Rate (Details) | Mar. 31, 2025 | Mar. 31, 2024
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Whole Life |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Mortality / Morbidity, actual experience | 1.00% | 0.70%
Mortality / Morbidity, expected experience | 0.80% | 0.70%
Lapse rate, actual experience | 3.10% | 3.40%
Lapse rate, expected experience | 3.70% | 4.30%
Term Life | Minimum |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Mortality / Morbidity, actual experience | 0.10% | 0.10%
Mortality / Morbidity, expected experience | 0.10% | 0.10%
Lapse rate, actual experience | 2.60% | 3.60%
Lapse rate, expected experience | 5.00% | 5.10%
Term Life | Maximum |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Mortality / Morbidity, actual experience | 0.10% | 0.20%
Mortality / Morbidity, expected experience | 0.50% | 0.40%
Lapse rate, actual experience | 3.80% | 22.00%
Lapse rate, expected experience | 5.10% | 6.90%
Experience life |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Mortality / Morbidity, actual experience | 2.30% | 2.10%
Mortality / Morbidity, expected experience | 1.90% | 1.70%
Lapse rate, actual experience | 3.30% | 3.40%
Lapse rate, expected experience | 3.00% | 3.00%
Limited-Pay Whole Life |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Mortality / Morbidity, actual experience | 0.40% | 0.00%
Mortality / Morbidity, expected experience | 0.30% | 0.30%
Lapse rate, actual experience | 3.80% | 3.60%
Lapse rate, expected experience | 4.00% | 4.60%
Supplemental health |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Mortality / Morbidity, actual experience | 41.90% | 39.90%
Mortality / Morbidity, expected experience | 26.80% | 26.30%
Lapse rate, actual experience | 13.90% | 12.00%
Lapse rate, expected experience | 14.00% | 13.80%

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