v3.25.4
Policyholder Account Balances, Future Policy Benefits and Claims - Amounts Recognized in Statement of Operations (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Liability for Future Policy Benefit, Activity [Line Items]    
Gross Premiums $ 616 $ 696
Interest Expense 385 389
Life contingent payout annuities    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross Premiums 157 226
Interest Expense 56 55
Term and whole life insurance    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross Premiums 174 172
Interest Expense 35 35
Disability Income Insurance    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross Premiums 114 119
Interest Expense 28 31
Long term care insurance    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross Premiums 171 179
Interest Expense $ 266 $ 268