v3.26.3
Investments - Schedule of Contractual Maturities of Investments (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Amortized cost    
Due in one year or less $ 854  
Due after one year through five years 3,239  
Due after five years through ten years 5,606  
Due after ten years 10,856  
Total 20,555 $ 18,452
Fair value    
Due in one year or less 846  
Due after one year through five years 3,175  
Due after five years through ten years 5,296  
Due after ten years 9,749  
Total $ 19,066 $ 18,271
% of fair value    
Due in one year or less 4.40%  
Due after one year through five years 16.70%  
Due after five years through ten years 27.80%  
Due after ten years 51.10%  
Total 100.00%