v3.26.1
Investments - Schedule of Distribution of Residential Mortgage Loans by State (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Schedule of Investments [Line Items]        
Allowance for expected credit loss $ (97) $ (86) $ (73) $ (70)
Total CMLs, net of valuation allowance 8,459 7,891    
Residential Mortgage        
Schedule of Investments [Line Items]        
Amortized Cost $ 5,018 $ 4,717    
% of Total 100.00% 100.00%    
Allowance for expected credit loss $ (74) $ (68) $ (56) $ (53)
Total CMLs, net of valuation allowance 4,944 4,649    
California | Residential Mortgage        
Schedule of Investments [Line Items]        
Amortized Cost $ 375 $ 288    
% of Total 7.00% 6.00%    
Florida | Residential Mortgage        
Schedule of Investments [Line Items]        
Amortized Cost $ 270 $ 246    
% of Total 6.00% 5.00%    
New York | Residential Mortgage        
Schedule of Investments [Line Items]        
Amortized Cost $ 270 $ 232    
% of Total 6.00% 5.00%    
All other states | Residential Mortgage        
Schedule of Investments [Line Items]        
Amortized Cost $ 4,103 $ 3,951    
% of Total 81.00% 84.00%