v3.26.1
Investments (Mortgage Loans by Property Type) (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]            
Recorded investment $ 12,097   $ 11,268      
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums (43)   (47)      
Allowance for Loan and Lease Losses, Real Estate (127) $ (115) (117) $ (107) $ (89) $ (93)
Mortgage loans on real estate (net of valuation allowances) $ 11,927   $ 11,104      
Percentage of total 100.00%   100.00%      
UNITED STATES            
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]            
Percentage of total 92.30%          
CANADA            
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]            
Percentage of total 5.90%          
UNITED KINGDOM            
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]            
Percentage of total 1.80%          
CALIFORNIA            
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]            
Percentage of total 11.70%          
TEXAS            
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]            
Percentage of total 9.40%          
WASHINGTON            
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]            
Percentage of total 6.50%          
Office building            
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]            
Recorded investment $ 1,731   $ 1,800      
Percentage of total 14.30%   16.00%      
Retail            
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]            
Recorded investment $ 3,450   $ 3,455      
Percentage of total 28.50%   30.70%      
Industrial            
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]            
Recorded investment $ 3,852   $ 3,549      
Percentage of total 31.90%   31.50%      
Apartment            
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]            
Recorded investment $ 1,674   $ 1,356      
Percentage of total 13.80%   12.00%      
Other commercial            
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]            
Recorded investment $ 268   $ 161      
Percentage of total 2.20%   1.40%      
Hotel            
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]            
Recorded investment $ 519   $ 500      
Percentage of total 4.30%   4.40%      
Commercial Real Estate            
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]            
Recorded investment $ 11,494   $ 10,821      
Allowance for Loan and Lease Losses, Real Estate $ (119) $ (109) $ (112) $ (103) $ (87) $ (93)
Percentage of total 95.00%   96.00%      
Residential Mortgage            
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]            
Recorded investment $ 603   $ 447      
Percentage of total 5.00%   4.00%