v3.25.2
Investments - Gross unrealized losses on securities by investment category and length of time that have been in a continuous unrealized loss position (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Total fixed maturities    
Available for sale securities in a continuous unrealized loss position    
Unrealized loss - less than twelve months $ (11) $ (25)
Fair value - less than twelve months $ 965 $ 1,778
Fair value as percentage of cost - less than twelve months 99.00% 99.00%
Unrealized Loss - twelve months or more $ (259) $ (328)
Fair Value - twelve months or more $ 3,654 $ 4,156
Fair value as percentage of cost - twelve months or more 93.00% 93.00%
U.S. government and government agencies    
Available for sale securities in a continuous unrealized loss position    
Unrealized loss - less than twelve months $ 0 $ 0
Fair value - less than twelve months $ 30 $ 35
Fair value as percentage of cost - less than twelve months 100.00% 100.00%
Unrealized Loss - twelve months or more $ (1) $ (3)
Fair Value - twelve months or more $ 84 $ 105
Fair value as percentage of cost - twelve months or more 99.00% 97.00%
States, municipalities and political subdivisions    
Available for sale securities in a continuous unrealized loss position    
Unrealized loss - less than twelve months $ (5) $ (5)
Fair value - less than twelve months $ 129 $ 256
Fair value as percentage of cost - less than twelve months 96.00% 98.00%
Unrealized Loss - twelve months or more $ (43) $ (44)
Fair Value - twelve months or more $ 469 $ 470
Fair value as percentage of cost - twelve months or more 92.00% 91.00%
Foreign government    
Available for sale securities in a continuous unrealized loss position    
Unrealized loss - less than twelve months $ 0 $ 0
Fair value - less than twelve months $ 0 $ 98
Fair value as percentage of cost - less than twelve months 0.00% 100.00%
Unrealized Loss - twelve months or more $ 0 $ (1)
Fair Value - twelve months or more $ 49 $ 50
Fair value as percentage of cost - twelve months or more 100.00% 98.00%
Residential MBS    
Available for sale securities in a continuous unrealized loss position    
Unrealized loss - less than twelve months $ (1) $ (6)
Fair value - less than twelve months $ 192 $ 452
Fair value as percentage of cost - less than twelve months 99.00% 99.00%
Unrealized Loss - twelve months or more $ (127) $ (148)
Fair Value - twelve months or more $ 903 $ 916
Fair value as percentage of cost - twelve months or more 88.00% 86.00%
Collateralized loan obligations    
Available for sale securities in a continuous unrealized loss position    
Unrealized loss - less than twelve months $ 0 $ 0
Fair value - less than twelve months $ 58 $ 0
Fair value as percentage of cost - less than twelve months 100.00% 0.00%
Unrealized Loss - twelve months or more $ (8) $ (12)
Fair Value - twelve months or more $ 204 $ 247
Fair value as percentage of cost - twelve months or more 96.00% 95.00%
Other asset-backed securities    
Available for sale securities in a continuous unrealized loss position    
Unrealized loss - less than twelve months $ (1) $ (4)
Fair value - less than twelve months $ 298 $ 332
Fair value as percentage of cost - less than twelve months 100.00% 99.00%
Unrealized Loss - twelve months or more $ (46) $ (65)
Fair Value - twelve months or more $ 973 $ 1,217
Fair value as percentage of cost - twelve months or more 95.00% 95.00%
Corporate and other    
Available for sale securities in a continuous unrealized loss position    
Unrealized loss - less than twelve months $ (4) $ (10)
Fair value - less than twelve months $ 258 $ 605
Fair value as percentage of cost - less than twelve months 98.00% 98.00%
Unrealized Loss - twelve months or more $ (34) $ (55)
Fair Value - twelve months or more $ 972 $ 1,151
Fair value as percentage of cost - twelve months or more 97.00% 95.00%