v3.26.1
Market Risk Benefits - Unobservable Inputs for Fair Value Measurement (Details) - Retirement and Income Solutions - Individual variable annuities
Jun. 30, 2026
Dec. 31, 2025
Minimum | Long-term interest rate    
Unobservable Inputs for Fair Value Measurement    
Market risk benefits, measurement input 0.0491 0.048
Minimum | Long-term equity market volatility    
Unobservable Inputs for Fair Value Measurement    
Market risk benefits, measurement input 0.178 0.178
Minimum | Nonperformance risk    
Unobservable Inputs for Fair Value Measurement    
Market risk benefits, measurement input 0.0052 0.0049
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 0.0493 0.0484
Maximum | Long-term equity market volatility    
Unobservable Inputs for Fair Value Measurement    
Market risk benefits, measurement input 0.4049 0.388
Maximum | Nonperformance risk    
Unobservable Inputs for Fair Value Measurement    
Market risk benefits, measurement input 0.0109 0.0112
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 0.0492 0.0482
Weighted average input | Long-term equity market volatility    
Unobservable Inputs for Fair Value Measurement    
Market risk benefits, measurement input 0.2273 0.2194
Weighted average input | Nonperformance risk    
Unobservable Inputs for Fair Value Measurement    
Market risk benefits, measurement input 0.0093 0.0095
Weighted average input | Lapse rate    
Unobservable Inputs for Fair Value Measurement    
Market risk benefits, measurement input 0.0684 0.0651