v3.26.1
Reserves for Future Policy Benefits and Claims Payable - Schedule of Revenue and Interest Related to Non-Participating Contracts (Details) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Liability for Future Policy Benefit, Activity [Line Items]    
Gross Premiums $ 159 $ 360
Interest Expense 162 331
Payout Annuities    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross Premiums 23 67
Interest Expense 24 47
Closed Block Life    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross Premiums 134 295
Interest Expense 58 115
Closed Block Annuity    
Liability for Future Policy Benefit, Activity [Line Items]    
Gross Premiums 2 (2)
Interest Expense $ 80 $ 169