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Future Policy Benefits - Summary of Weighted Average Interest and Discount Rates (Detail) | Jun. 30, 2024 | Dec. 31, 2023
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Long-term Care Insurance |  |
Disclosure In Tabular Form Of Weighted Average Interest And Discount Rates For The Liability For Future Policy Benefits [Line Items] |  |
Interest accretion (locked-in) rate | 5.70% | 5.80%
Current discount rate | 5.60% | 5.10%
Life Insurance |  |
Disclosure In Tabular Form Of Weighted Average Interest And Discount Rates For The Liability For Future Policy Benefits [Line Items] |  |
Interest accretion (locked-in) rate | 5.80% | 5.80%
Current discount rate | 5.30% | 4.80%
Fixed annuities |  |
Disclosure In Tabular Form Of Weighted Average Interest And Discount Rates For The Liability For Future Policy Benefits [Line Items] |  |
Interest accretion (locked-in) rate | 6.80% | 6.70%
Current discount rate | 5.60% | 5.00%

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