v3.26.1
Future Policy Benefits - Income statement information (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Liability for Future Policy Benefit, Activity [Line Items]    
Gross premiums $ 1,262 $ 1,637
Interest accretion 1,301 1,202
Universal Life    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross premiums 530 580
Interest accretion 85 80
Individual Retirement    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross premiums 40 47
Interest accretion 25 25
Group Retirement    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross premiums 6 4
Interest accretion 7 8
Life Insurance    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross premiums 935 926
Interest accretion 221 225
Life Insurance | Universal Life    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross premiums 511 562
Interest accretion 84 79
Institutional Markets    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross premiums 173 542
Interest accretion 595 481
Corporate & Other    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross premiums 108 118
Interest accretion 453 463
Corporate & Other | Universal Life    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross premiums 19 18
Interest accretion $ 1 $ 1