v3.26.3
Annuity Reinsurance - Future Policy Benefits for Annuity Reinsurance Contracts (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Effects of Reinsurance [Line Items]    
Future policy benefits for annuity reinsurance contracts $ 459 $ 0
Annuity Reinsurance    
Effects of Reinsurance [Line Items]    
Future policy benefits for annuity reinsurance contracts 431  
Deferred Profit Liability    
Effects of Reinsurance [Line Items]    
Future policy benefits for annuity reinsurance contracts $ 28