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Long-Duration Insurance Contracts - Discount Rates for LFPB (Details) | Jun. 30, 2023 | Jun. 30, 2022
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Whole Life | Minimum |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Interest accretion rate | 1.70% | 1.70%
Current discount rate | 4.70% | 4.10%
Whole Life | Maximum |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Interest accretion rate | 4.90% | 5.00%
Current discount rate | 5.20% | 4.60%
Term Life | Minimum |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Interest accretion rate | 4.10% | 4.10%
Current discount rate | 5.20% | 4.60%
Term Life | Maximum |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Interest accretion rate | 4.30% | 4.40%
Current discount rate | 5.20% | 4.60%
Experience Life |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Interest accretion rate | 6.10% | 6.10%
Current discount rate | 5.20% | 4.70%
Limited Pay Whole Life |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Interest accretion rate | 3.90% | 3.90%
Current discount rate | 5.20% | 4.70%
Supplemental health | Minimum |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Interest accretion rate | 1.70% | 1.70%
Current discount rate | 5.20% | 4.50%
Supplemental health | Maximum |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Interest accretion rate | 2.70% | 2.70%
Current discount rate | 5.30% | 5.00%
SPIA (life contingent) | Minimum |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Interest accretion rate | 1.70% | 1.70%
Current discount rate | 5.20% | 4.50%
SPIA (life contingent) | Maximum |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |
Interest accretion rate | 4.10% | 4.00%
Current discount rate | 5.20% | 4.50%

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