v3.26.1
Fair Value - Schedule of Fair Value Measurements by Level (Details)
$ in Millions
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Assets    
Cash equivalents $ 5,305 $ 5,184
Fixed maturity securities, available-for-sale: 26,978 27,005
Equity securities: 1,563 740
Other invested assets 11,130 10,839
Securities lending collateral 2,833 2,692
Derivatives - other assets 5 62
Total assets $ 36,688 $ 35,689
Percentage of total assets at fair value 1 1
Liabilities    
Derivatives - other liabilities $ (102) $ (28)
Total liabilities (102) (28)
United States Government securities    
Assets    
Fixed maturity securities, available-for-sale: 1,357 1,503
Government sponsored securities    
Assets    
Fixed maturity securities, available-for-sale: 52 81
Foreign government securities    
Assets    
Fixed maturity securities, available-for-sale: 13 13
States, municipalities and political subdivisions, tax-exempt    
Assets    
Fixed maturity securities, available-for-sale: 3,496 3,701
Corporate securities    
Assets    
Fixed maturity securities, available-for-sale: 13,992 13,783
Residential mortgage-backed securities    
Assets    
Fixed maturity securities, available-for-sale: 3,401 3,107
Commercial mortgage-backed securities    
Assets    
Fixed maturity securities, available-for-sale: 1,838 2,073
Other asset-backed securities    
Assets    
Fixed maturity securities, available-for-sale: 2,829 2,744
Exchange traded funds    
Assets    
Equity securities: 1,481 650
Common equity securities    
Assets    
Equity securities: 35 35
Other invested assets 4 6
Private equity securities    
Assets    
Equity securities: 47 55
Level I    
Assets    
Cash equivalents 5,305 5,184
Fixed maturity securities, available-for-sale: 0 0
Equity securities: 1,481 650
Securities lending collateral 0 0
Derivatives - other assets 0 0
Total assets $ 6,790 $ 5,840
Percentage of total assets at fair value 0.18 0.16
Liabilities    
Derivatives - other liabilities $ 0 $ 0
Total liabilities 0 0
Level I | United States Government securities    
Assets    
Fixed maturity securities, available-for-sale: 0 0
Level I | Government sponsored securities    
Assets    
Fixed maturity securities, available-for-sale: 0 0
Level I | Foreign government securities    
Assets    
Fixed maturity securities, available-for-sale: 0 0
Level I | States, municipalities and political subdivisions, tax-exempt    
Assets    
Fixed maturity securities, available-for-sale: 0 0
Level I | Corporate securities    
Assets    
Fixed maturity securities, available-for-sale: 0 0
Level I | Residential mortgage-backed securities    
Assets    
Fixed maturity securities, available-for-sale: 0 0
Level I | Commercial mortgage-backed securities    
Assets    
Fixed maturity securities, available-for-sale: 0 0
Level I | Other asset-backed securities    
Assets    
Fixed maturity securities, available-for-sale: 0 0
Level I | Exchange traded funds    
Assets    
Equity securities: 1,481 650
Level I | Common equity securities    
Assets    
Equity securities: 0 0
Other invested assets 4 6
Level I | Private equity securities    
Assets    
Equity securities: 0 0
Level II    
Assets    
Cash equivalents 0 0
Fixed maturity securities, available-for-sale: 25,690 25,712
Equity securities: 35 35
Securities lending collateral 2,833 2,692
Derivatives - other assets 5 62
Total assets $ 28,563 $ 28,501
Percentage of total assets at fair value 0.78 0.80
Liabilities    
Derivatives - other liabilities $ (102) $ (28)
Total liabilities (102) (28)
Level II | United States Government securities    
Assets    
Fixed maturity securities, available-for-sale: 1,357 1,503
Level II | Government sponsored securities    
Assets    
Fixed maturity securities, available-for-sale: 52 81
Level II | Foreign government securities    
Assets    
Fixed maturity securities, available-for-sale: 13 13
Level II | States, municipalities and political subdivisions, tax-exempt    
Assets    
Fixed maturity securities, available-for-sale: 3,496 3,701
Level II | Corporate securities    
Assets    
Fixed maturity securities, available-for-sale: 13,575 13,373
Level II | Residential mortgage-backed securities    
Assets    
Fixed maturity securities, available-for-sale: 3,398 3,090
Level II | Commercial mortgage-backed securities    
Assets    
Fixed maturity securities, available-for-sale: 1,838 2,073
Level II | Other asset-backed securities    
Assets    
Fixed maturity securities, available-for-sale: 1,961 1,878
Level II | Exchange traded funds    
Assets    
Equity securities: 0 0
Level II | Common equity securities    
Assets    
Equity securities: 35 35
Other invested assets 0 0
Level II | Private equity securities    
Assets    
Equity securities: 0 0
Level III    
Assets    
Cash equivalents 0 0
Fixed maturity securities, available-for-sale: 1,288 1,293
Equity securities: 47 55
Securities lending collateral 0 0
Derivatives - other assets 0 0
Total assets $ 1,335 $ 1,348
Percentage of total assets at fair value 0.04 0.04
Liabilities    
Derivatives - other liabilities $ 0 $ 0
Total liabilities 0 0
Level III | United States Government securities    
Assets    
Fixed maturity securities, available-for-sale: 0 0
Level III | Government sponsored securities    
Assets    
Fixed maturity securities, available-for-sale: 0 0
Level III | Foreign government securities    
Assets    
Fixed maturity securities, available-for-sale: 0 0
Level III | States, municipalities and political subdivisions, tax-exempt    
Assets    
Fixed maturity securities, available-for-sale: 0 0
Level III | Corporate securities    
Assets    
Fixed maturity securities, available-for-sale: 417 410
Level III | Residential mortgage-backed securities    
Assets    
Fixed maturity securities, available-for-sale: 3 17
Level III | Commercial mortgage-backed securities    
Assets    
Fixed maturity securities, available-for-sale: 0 0
Level III | Other asset-backed securities    
Assets    
Fixed maturity securities, available-for-sale: 868 866
Level III | Exchange traded funds    
Assets    
Equity securities: 0 0
Level III | Common equity securities    
Assets    
Equity securities: 0 0
Other invested assets 0 0
Level III | Private equity securities    
Assets    
Equity securities: $ 47 $ 55