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Future Policy Benefits - Schedule of Actual Experience and Expected Experience for Mortality and Lapses (Details)	Jun. 30, 2025	Dec. 31, 2024
Actual experience | Traditional Life
Liability for Future Policy Benefit, Activity
Mortality	2.00%	1.40%
Lapses	0.00%	0.10%
Actual experience | Immediate annuities
Liability for Future Policy Benefit, Activity
Mortality	3.00%	2.70%
Lapses	0.00%	0.00%
Actual experience | PRT
Liability for Future Policy Benefit, Activity
Mortality	3.10%	2.70%
Lapses	0.00%	0.00%
Expected experience | Traditional Life
Liability for Future Policy Benefit, Activity
Mortality	1.60%	1.50%
Lapses	0.60%	0.50%
Expected experience | Immediate annuities
Liability for Future Policy Benefit, Activity
Mortality	1.70%	1.90%
Lapses	0.00%	0.00%
Expected experience | PRT
Liability for Future Policy Benefit, Activity
Mortality	2.50%	2.50%
Lapses	0.00%	0.00%

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Anticipated rate of future terminations of contracts in force as of the balance sheet date, which is included in determining the amount of the specified guaranteed benefit obligation as of the balance sheet date.

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Actuarially determined death rate of policyholders, which is included in determining the amount of the specified guaranteed benefit obligation as of the balance sheet date.

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