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 $ 55,655 $ 56,564
Greater than 90 Days Past Due and Still Accruing Interest 6 43
Financing Receivable, Nonaccrual 1,371 1,475
Financial Asset, Past Due    
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross 1,007 876
Commercial Mortgage Loans    
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross 27,552 29,546
Greater than 90 Days Past Due and Still Accruing Interest 0 0
Financing Receivable, Nonaccrual 844 945
Commercial Mortgage Loans | Financial Asset, Past Due    
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross 484 339
Residential Mortgage Loans    
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross 12,896 11,815
Greater than 90 Days Past Due and Still Accruing Interest 0 0
Financing Receivable, Nonaccrual 367 365
Residential Mortgage Loans | Financial Asset, Past Due    
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross 367 365
Agricultural Mortgage Loans    
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross 15,207 15,203
Greater than 90 Days Past Due and Still Accruing Interest 6 43
Financing Receivable, Nonaccrual 160 165
Agricultural Mortgage Loans | Financial Asset, Past Due    
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross $ 156 $ 172