v3.26.1
Related Party Transactions (Narrative) (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2023
Related Party Transaction [Line Items]          
Future policy benefits $ 260,944 $ 266,914 $ 270,133    
Prismic Re          
Related Party Transaction [Line Items]          
Future policy benefits         $ 9,000
Guarantee on letters of credit 1,900 $ 2,000      
Prismic Re International          
Related Party Transaction [Line Items]          
Future policy benefits       $ 7,000  
Contingent debt facility $ 80        
Contingent Debt Facility          
Related Party Transaction [Line Items]          
Related party transaction, term 10 years        
Related Party          
Related Party Transaction [Line Items]          
Prismic Re Unfunded Commitment $ 300        
Prismic HoldCo | Related Party          
Related Party Transaction [Line Items]          
Equity method investment, ownership percentage 20.00%        
Prismic HoldCo | Prismic Re          
Related Party Transaction [Line Items]          
Carrying value         $ 200
Prismic HoldCo | Prismic Re International          
Related Party Transaction [Line Items]          
Carrying value       $ 103  
Prismic HoldCo | Related Party          
Related Party Transaction [Line Items]          
Carrying value $ 200        
Prismic HoldCo | Related Party | Reinsurance Agreement          
Related Party Transaction [Line Items]          
Equity method investment, ownership percentage 20.00%