v3.26.1
Reinsurance (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Ceded Credit Risk [Line Items]      
Claims Recoverable From Retrocessionaires Past Due $ 16   $ 6
Funds withheld payable 6,494   6,805
Embedded Derivative, Fair Value of Embedded Derivative Asset 122   58
Reinsurance Recoverable for Paid Claims and Claims Adjustments 4,100    
Reinsurance, Excess Retention, Amount Reinsured, Per Life 30 $ 8  
Future Policy Benefits Remeasurement Gain Loss After Reinsurance 136    
Reinsurance ceded receivables and other 6,743   7,175
Funds withheld payable $ 6,494   $ 6,805
AM Best, B++ Rating      
Ceded Credit Risk [Line Items]      
Ceded Credit Risk, Disclosure “B++(Good)”