v3.26.3
Related Parties - Related party transactions with AIG (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Feb. 12, 2026
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Feb. 11, 2026
Related Party Transaction [Line Items]            
Purchase of common stock   $ 187 $ 384 $ 1,752 $ 1,024  
AIG | Corebridge Financial            
Related Party Transaction [Line Items]            
Ownership percentage (as a percent) 6.00%         10.00%
Related Party            
Related Party Transaction [Line Items]            
Purchase of common stock $ 750