v3.26.1
Investments - Schedule of Commercial Mortgage Loan Investment (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Schedule of Investments [Line Items]            
Allowance for expected credit loss $ (108) $ (97) $ (86) $ (75) $ (73) $ (70)
Total CMLs, net of valuation allowance 9,265   7,891      
Commercial Mortgage            
Schedule of Investments [Line Items]            
Total CMLs, gross of valuation allowance 3,710   3,260      
Allowance for expected credit loss (27) $ (23) (18) $ (17) $ (17) $ (17)
Total CMLs, net of valuation allowance $ 3,683   $ 3,242      
% of Total 100.00%   100.00%      
East North Central | Commercial Mortgage            
Schedule of Investments [Line Items]            
Total CMLs, gross of valuation allowance $ 173   $ 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 $ 380   $ 356      
% of Total 10.00%   11.00%      
Mountain | Commercial Mortgage            
Schedule of Investments [Line Items]            
Total CMLs, gross of valuation allowance $ 526   $ 396      
% of Total 14.00%   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 $ 776   $ 709      
% of Total 21.00%   22.00%      
South Atlantic | Commercial Mortgage            
Schedule of Investments [Line Items]            
Total CMLs, gross of valuation allowance $ 1,207   $ 1,157      
% of Total 32.00%   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 $ 212   $ 180      
% of Total 6.00%   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 $ 700   $ 671      
% of Total 19.00%   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 $ 1,325   $ 1,150      
% of Total 36.00%   35.00%      
Office | Commercial Mortgage            
Schedule of Investments [Line Items]            
Total CMLs, gross of valuation allowance $ 383   $ 345      
% of Total 10.00%   11.00%      
Retail | Commercial Mortgage            
Schedule of Investments [Line Items]            
Total CMLs, gross of valuation allowance $ 285   $ 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 $ 905   $ 654      
% of Total 24.00%   19.00%