v3.26.1
Reinsurance - Narrative (Details)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Oct. 01, 2023
agreement
Ceded Credit Risk [Line Items]            
Number of reinsurance recoverable agreements | agreement           2
Investments $ 143,310   $ 143,310   $ 138,908  
Fortitude Re            
Ceded Credit Risk [Line Items]            
Deposits assets 8,700   8,700   8,500  
Investments 7,800   7,800   8,900  
Fixed Annuities | Fortitude Re            
Ceded Credit Risk [Line Items]            
Reinsurance recoverables 10,500   10,500   10,600  
Reinsurance recoverables on unpaid losses 2,400   2,400   2,500  
Reinsurance recoverable amortization 23 $ 23 47 $ 46    
Deposits assets $ 2,200   $ 2,200   $ 2,400