v3.26.1
Investments - Assets Pledged as Collateral (Details) - Asset Pledged as Collateral - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Financial Instruments Owned and Pledged as Collateral [Line Items]    
Total assets pledged as collateral $ 5,773 $ 4,955
Fixed maturity AFS securities    
Financial Instruments Owned and Pledged as Collateral [Line Items]    
Total assets pledged as collateral 4,040 3,578
Trading securities    
Financial Instruments Owned and Pledged as Collateral [Line Items]    
Total assets pledged as collateral 13 14
Equity securities    
Financial Instruments Owned and Pledged as Collateral [Line Items]    
Total assets pledged as collateral 1 10
Mortgage loans on real estate    
Financial Instruments Owned and Pledged as Collateral [Line Items]    
Total assets pledged as collateral 1,592 1,217
Other investments    
Financial Instruments Owned and Pledged as Collateral [Line Items]    
Total assets pledged as collateral 74 71
Cash and invested cash    
Financial Instruments Owned and Pledged as Collateral [Line Items]    
Total assets pledged as collateral $ 53 $ 65