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Future Policy Benefits - Weighted Average Rates (Details)
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Traditional life      
Liability for Future Policy Benefit, Activity [Line Items]      
Interest accretion rate 2.34% 2.33% 2.32%
Current discount rate 5.44% 5.03% 5.37%
Immediate annuities      
Liability for Future Policy Benefit, Activity [Line Items]      
Interest accretion rate 3.17% 3.14% 3.07%
Current discount rate 5.45% 4.98% 5.21%
PRT      
Liability for Future Policy Benefit, Activity [Line Items]      
Interest accretion rate 4.72% 4.61% 3.20%
Current discount rate 5.54% 5.03% 5.40%