v3.26.1
Mortgage Loans on Real Estate - Commercial Loan Portfolio Summary (Details) - Mortgage loans on real estate, net of allowance - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total $ 11,666 $ 11,213        
Allowance for credit losses (112) (100)        
Commercial mortgage loans            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total 9,082 8,800        
Allowance for credit losses (92) (87) $ (79) $ (123) $ (142) $ (144)
Total, net of allowance $ 8,990 $ 8,713        
Commercial mortgage loans | Geographic Concentration Risk | Financing Receivables            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Percentage 100.00% 100.00%        
Commercial mortgage loans | Agricultural            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total $ 336 $ 349        
Commercial mortgage loans | Agricultural | Geographic Concentration Risk | Financing Receivables            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Percentage 4.00% 4.00%        
Commercial mortgage loans | Apartment            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total $ 3,132 $ 2,346        
Commercial mortgage loans | Apartment | Geographic Concentration Risk | Financing Receivables            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Percentage 34.00% 27.00%        
Commercial mortgage loans | Hotel            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total $ 866 $ 967        
Commercial mortgage loans | Hotel | Geographic Concentration Risk | Financing Receivables            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Percentage 10.00% 11.00%        
Commercial mortgage loans | Industrial            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total $ 1,635 $ 1,797        
Commercial mortgage loans | Industrial | Geographic Concentration Risk | Financing Receivables            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Percentage 17.00% 21.00%        
Commercial mortgage loans | Office            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total $ 1,430 $ 1,435        
Commercial mortgage loans | Office | Geographic Concentration Risk | Financing Receivables            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Percentage 16.00% 16.00%        
Commercial mortgage loans | Parking            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total $ 176 $ 207        
Commercial mortgage loans | Parking | Geographic Concentration Risk | Financing Receivables            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Percentage 2.00% 2.00%        
Commercial mortgage loans | Retail            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total $ 1,238 $ 1,352        
Commercial mortgage loans | Retail | Geographic Concentration Risk | Financing Receivables            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Percentage 14.00% 15.00%        
Commercial mortgage loans | Storage            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total $ 103 $ 114        
Commercial mortgage loans | Storage | Geographic Concentration Risk | Financing Receivables            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Percentage 1.00% 1.00%        
Commercial mortgage loans | Other            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total $ 166 $ 233        
Commercial mortgage loans | Other | Geographic Concentration Risk | Financing Receivables            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Percentage 2.00% 3.00%        
Pacific | Commercial mortgage loans            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total $ 2,684 $ 2,230        
Pacific | Commercial mortgage loans | Geographic Concentration Risk | Financing Receivables            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Percentage 30.00% 25.00%        
Mountain | Commercial mortgage loans            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total $ 1,472 $ 1,400        
Mountain | Commercial mortgage loans | Geographic Concentration Risk | Financing Receivables            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Percentage 16.00% 16.00%        
West North Central | Commercial mortgage loans            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total $ 204 $ 232        
West North Central | Commercial mortgage loans | Geographic Concentration Risk | Financing Receivables            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Percentage 2.00% 3.00%        
West South Central | Commercial mortgage loans            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total $ 1,250 $ 1,173        
West South Central | Commercial mortgage loans | Geographic Concentration Risk | Financing Receivables            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Percentage 14.00% 13.00%        
East North Central | Commercial mortgage loans            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total $ 679 $ 800        
East North Central | Commercial mortgage loans | Geographic Concentration Risk | Financing Receivables            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Percentage 7.00% 9.00%        
East South Central | Commercial mortgage loans            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total $ 191 $ 135        
East South Central | Commercial mortgage loans | Geographic Concentration Risk | Financing Receivables            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Percentage 2.00% 2.00%        
Middle Atlantic | Commercial mortgage loans            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total $ 647 $ 658        
Middle Atlantic | Commercial mortgage loans | Geographic Concentration Risk | Financing Receivables            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Percentage 7.00% 7.00%        
South Atlantic | Commercial mortgage loans            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total $ 1,649 $ 1,805        
South Atlantic | Commercial mortgage loans | Geographic Concentration Risk | Financing Receivables            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Percentage 18.00% 20.00%        
New England | Commercial mortgage loans            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total $ 140 $ 140        
New England | Commercial mortgage loans | Geographic Concentration Risk | Financing Receivables            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Percentage 2.00% 2.00%        
Other (multi-region and other non-US countries) | Commercial mortgage loans            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Total $ 166 $ 227        
Other (multi-region and other non-US countries) | Commercial mortgage loans | Geographic Concentration Risk | Financing Receivables            
Accounts, Notes, Loans and Financing Receivable [Line Items]            
Percentage 2.00% 3.00%