v3.26.1
Investments (Past Due and Interest Accrual Status of Mortgage Loans) (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross $ 84,214 $ 85,751
Greater than 90 Days Past Due and Still Accruing Interest 30 92
Financing Receivable, Nonaccrual 2,440 2,640
Financial Asset, Past Due    
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross 1,595 1,457
Commercial Mortgage Loans    
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross 45,948 49,400
Greater than 90 Days Past Due and Still Accruing Interest 0 3
Financing Receivable, Nonaccrual 1,685 1,915
Commercial Mortgage Loans | Financial Asset, Past Due    
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross 821 682
Residential Mortgage Loans    
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross 18,489 16,800
Greater than 90 Days Past Due and Still Accruing Interest 24 23
Financing Receivable, Nonaccrual 513 500
Residential Mortgage Loans | Financial Asset, Past Due    
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross 537 523
Agricultural Mortgage Loans    
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross 19,777 19,551
Greater than 90 Days Past Due and Still Accruing Interest 6 66
Financing Receivable, Nonaccrual 242 225
Agricultural Mortgage Loans | Financial Asset, Past Due    
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross $ 237 $ 252