v3.26.1
Investments (Mortgage Loans by Property Type) (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 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 $ 11,477 $ 11,268    
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums (44) (47)    
Allowance for Loan and Lease Losses, Real Estate (115) (117) $ (89) $ (93)
Mortgage loans on real estate (net of valuation allowances) $ 11,318 $ 11,104    
Percentage of total 100.00% 100.00%    
Office building        
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]        
Recorded investment $ 1,720 $ 1,800    
Percentage of total 15.00% 16.00%    
Retail        
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]        
Recorded investment $ 3,429 $ 3,455    
Percentage of total 29.90% 30.70%    
Industrial        
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]        
Recorded investment $ 3,724 $ 3,549    
Percentage of total 32.40% 31.50%    
Apartment        
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]        
Recorded investment $ 1,379 $ 1,356    
Percentage of total 12.00% 12.00%    
Other commercial        
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]        
Recorded investment $ 202 $ 161    
Percentage of total 1.80% 1.40%    
Hotel        
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]        
Recorded investment $ 515 $ 500    
Percentage of total 4.50% 4.40%    
Commercial Real Estate        
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]        
Recorded investment $ 10,969 $ 10,821    
Allowance for Loan and Lease Losses, Real Estate $ (109) $ (112) $ (87) $ (93)
Percentage of total 95.60% 96.00%    
Residential Mortgage        
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]        
Recorded investment $ 508 $ 447    
Percentage of total 4.40% 4.00%