v3.26.1
Related Parties - Related party transactions with AIG (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Feb. 12, 2026
Feb. 11, 2026
Related Party Transaction [Line Items]        
Purchase of common stock $ 1,263 $ 326    
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