v3.25.2
Investments - Analysis of Cost or Amortized Cost, Gross Unrealized Gains and Losses and Fair Value for Investments (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Debt Securities, Available-for-sale    
Investments, available-for-sale, amortized cost basis $ 17,635 $ 17,033
Investments, Available-for-Sale, Accumulated Gross Unrealized Gain Before Tax 124 78
Investments, Available-for-Sale, Accumulated Gross Unrealized Loss Before Tax 582 631
Investments, Available-for-Sale 17,177 16,480
Short-term investments, available-for-sale, amortized cost basis 100 298
Short-term investments, available-for-sale, accumulated gross unrealized gain, before tax 0 0
Short-term investments, available-for-sale, accumulated gross unrealized loss, before tax 0 0
Short-Term Investments 100 298
Total 17,535 16,735
Gross unrealized gain 124 78
Gross unrealized loss 582 631
Fixed maturities, at fair value 17,077 16,182
Corporate    
Debt Securities, Available-for-sale    
Total 9,136 8,652
Gross unrealized gain 107 61
Gross unrealized loss 256 333
Fixed maturities, at fair value 8,987 8,380
States, municipalities and political subdivisions    
Debt Securities, Available-for-sale    
Total 5,004 4,976
Gross unrealized gain 8 15
Gross unrealized loss 304 270
Fixed maturities, at fair value 4,708 4,721
Government-sponsored enterprises    
Debt Securities, Available-for-sale    
Total 2,455 2,282
Gross unrealized gain 1 1
Gross unrealized loss 9 9
Fixed maturities, at fair value 2,447 2,274
Asset-backed    
Debt Securities, Available-for-sale    
Total 736 567
Gross unrealized gain 8 1
Gross unrealized loss 12 17
Fixed maturities, at fair value 732 551
United States government    
Debt Securities, Available-for-sale    
Total 184 228
Gross unrealized gain 0 0
Gross unrealized loss 1 2
Fixed maturities, at fair value 183 226
Foreign government    
Debt Securities, Available-for-sale    
Total 20 30
Gross unrealized gain 0 0
Gross unrealized loss 0 0
Fixed maturities, at fair value $ 20 $ 30