v3.26.3
Future Policy Benefits - Income statement information (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Liability for Future Policy Benefit, Activity [Line Items]    
Gross premiums $ 1,960 $ 3,740
Interest accretion 1,955 1,826
Universal Life    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross premiums 803 840
Interest accretion 130 123
Individual Retirement    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross premiums 60 69
Interest accretion 38 38
Group Retirement    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross premiums 7 7
Interest accretion 11 12
Life Insurance    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross premiums 1,389 1,385
Interest accretion 331 336
Life Insurance | Universal Life    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross premiums 773 813
Interest accretion 128 121
Institutional Markets    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross premiums 344 2,102
Interest accretion 895 743
Corporate & Other    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross premiums 160 177
Interest accretion 680 697
Corporate & Other | Universal Life    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross premiums 30 27
Interest accretion $ 2 $ 2