v3.25.2
Market Risk Benefits - Unobservable Inputs for Fair Value Measurement (Details) - Retirement and Income Solutions - Individual variable annuities
Jun. 30, 2025
Dec. 31, 2024
Minimum | Long-term interest rate    
Unobservable Inputs for Fair Value Measurement    
Market risk benefits, measurement input 0.0478 0.0478
Minimum | Long-term equity market volatility    
Unobservable Inputs for Fair Value Measurement    
Market risk benefits, measurement input 0.181 0.181
Minimum | Nonperformance risk    
Unobservable Inputs for Fair Value Measurement    
Market risk benefits, measurement input 0.0051 0.004
Minimum | Lapse rate    
Unobservable Inputs for Fair Value Measurement    
Market risk benefits, measurement input 0.009 0.009
Maximum | Long-term interest rate    
Unobservable Inputs for Fair Value Measurement    
Market risk benefits, measurement input 0.0479 0.0485
Maximum | Long-term equity market volatility    
Unobservable Inputs for Fair Value Measurement    
Market risk benefits, measurement input 0.3697 0.3553
Maximum | Nonperformance risk    
Unobservable Inputs for Fair Value Measurement    
Market risk benefits, measurement input 0.0117 0.011
Maximum | Lapse rate    
Unobservable Inputs for Fair Value Measurement    
Market risk benefits, measurement input 0.55 0.55
Weighted average input | Long-term interest rate    
Unobservable Inputs for Fair Value Measurement    
Market risk benefits, measurement input 0.0478 0.0481
Weighted average input | Long-term equity market volatility    
Unobservable Inputs for Fair Value Measurement    
Market risk benefits, measurement input 0.2196 0.2176
Weighted average input | Nonperformance risk    
Unobservable Inputs for Fair Value Measurement    
Market risk benefits, measurement input 0.0099 0.0089
Weighted average input | Lapse rate    
Unobservable Inputs for Fair Value Measurement    
Market risk benefits, measurement input 0.0612 0.0579