v3.26.1
Investments - Schedule of Commercial Mortgage Loan Investment (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    
Commercial Mortgage        
Schedule of Investments [Line Items]        
Total CMLs, gross of valuation allowance 3,538 3,260    
Allowance for expected credit loss (23) (18) $ (17) $ (17)
Total CMLs, net of valuation allowance $ 3,515 $ 3,242    
% of Total 100.00% 100.00%    
East North Central | Commercial Mortgage        
Schedule of Investments [Line Items]        
Total CMLs, gross of valuation allowance $ 172 $ 124    
% of Total 5.00% 4.00%    
East South Central | Commercial Mortgage        
Schedule of Investments [Line Items]        
Total CMLs, gross of valuation allowance $ 86 $ 86    
% of Total 2.00% 3.00%    
Middle Atlantic | Commercial Mortgage        
Schedule of Investments [Line Items]        
Total CMLs, gross of valuation allowance $ 370 $ 356    
% of Total 10.00% 11.00%    
Mountain | Commercial Mortgage        
Schedule of Investments [Line Items]        
Total CMLs, gross of valuation allowance $ 472 $ 396    
% of Total 13.00% 12.00%    
New England | Commercial Mortgage        
Schedule of Investments [Line Items]        
Total CMLs, gross of valuation allowance $ 183 $ 183    
% of Total 5.00% 6.00%    
Pacific | Commercial Mortgage        
Schedule of Investments [Line Items]        
Total CMLs, gross of valuation allowance $ 706 $ 709    
% of Total 20.00% 22.00%    
South Atlantic | Commercial Mortgage        
Schedule of Investments [Line Items]        
Total CMLs, gross of valuation allowance $ 1,188 $ 1,157    
% of Total 35.00% 34.00%    
West North Central | Commercial Mortgage        
Schedule of Investments [Line Items]        
Total CMLs, gross of valuation allowance $ 167 $ 69    
% of Total 5.00% 2.00%    
West South Central | Commercial Mortgage        
Schedule of Investments [Line Items]        
Total CMLs, gross of valuation allowance $ 194 $ 180    
% of Total 5.00% 6.00%    
Hotel | Commercial Mortgage        
Schedule of Investments [Line Items]        
Total CMLs, gross of valuation allowance $ 9 $ 9    
% of Total 0.00% 0.00%    
Industrial | Commercial Mortgage        
Schedule of Investments [Line Items]        
Total CMLs, gross of valuation allowance $ 710 $ 671    
% of Total 20.00% 21.00%    
Mixed Use | Commercial Mortgage        
Schedule of Investments [Line Items]        
Total CMLs, gross of valuation allowance $ 20 $ 21    
% of Total 1.00% 1.00%    
Multifamily | Commercial Mortgage        
Schedule of Investments [Line Items]        
Total CMLs, gross of valuation allowance $ 1,253 $ 1,150    
% of Total 35.00% 35.00%    
Office | Commercial Mortgage        
Schedule of Investments [Line Items]        
Total CMLs, gross of valuation allowance $ 340 $ 345    
% of Total 10.00% 11.00%    
Retail | Commercial Mortgage        
Schedule of Investments [Line Items]        
Total CMLs, gross of valuation allowance $ 293 $ 327    
% of Total 8.00% 10.00%    
Student Housing | Commercial Mortgage        
Schedule of Investments [Line Items]        
Total CMLs, gross of valuation allowance $ 83 $ 83    
% of Total 2.00% 3.00%    
Other | Commercial Mortgage        
Schedule of Investments [Line Items]        
Total CMLs, gross of valuation allowance $ 830 $ 654    
% of Total 24.00% 19.00%