v3.26.1
Related Party Transactions (Shared Services, Overhead Allocations and Broker-Dealer Transactions - Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Related Party Transaction [Line Items]      
Insurance Commissions and Fees $ 415 $ 422  
Total revenues 1,366 2,232  
All Services and Transactions Except Broker Dealer Activities [Member]      
Related Party Transaction [Line Items]      
Accounts Payable, Other (133)   $ (68)
Broker Dealer Activities [Member]      
Related Party Transaction [Line Items]      
Total revenues 41 41  
Operating Costs and Expenses 230 229  
Other Receivables 14   $ 14
Affiliated Entity      
Related Party Transaction [Line Items]      
Insurance Commissions and Fees 41 42  
Selling, General and Administrative Expense $ 217 $ 211