v3.26.1
Reserves in Addition to Account Balance, Based on Expected No-Lapse Guarantee Benefits and Expected Policy Assessments (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Liability for Future Policy Benefit, by Product Segment      
Life policy and investment contract reserves $ 2,986 $ 2,992  
Life policy reserves:      
Liability for Future Policy Benefit, by Product Segment      
Life policy and investment contract reserves 1,643 1,629  
Investment contract reserves:      
Liability for Future Policy Benefit, by Product Segment      
Life policy and investment contract reserves 1,343 1,363  
Term Life Insurance | Life policy reserves:      
Liability for Future Policy Benefit, by Product Segment      
Life policy and investment contract reserves 1,116 1,103 $ 1,061
Whole Life Insurance | Life policy reserves:      
Liability for Future Policy Benefit, by Product Segment      
Life policy and investment contract reserves 425 426 $ 414
Long-Duration Insurance, Other | Life policy reserves:      
Liability for Future Policy Benefit, by Product Segment      
Life policy and investment contract reserves 102 100  
Long-Duration Insurance, Other | Investment contract reserves:      
Liability for Future Policy Benefit, by Product Segment      
Life policy and investment contract reserves 110 109  
Deferred Fixed Annuity | Investment contract reserves:      
Liability for Future Policy Benefit, by Product Segment      
Life policy and investment contract reserves 540 554  
Universal life | Investment contract reserves:      
Liability for Future Policy Benefit, by Product Segment      
Life policy and investment contract reserves 586 589  
Structured Settlement Annuity | Investment contract reserves:      
Liability for Future Policy Benefit, by Product Segment      
Life policy and investment contract reserves $ 107 $ 111