v3.26.1
Investments (Past Due and Interest Accrual Status of Mortgage Loans) (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross $ 56,176 $ 56,564
Greater than 90 Days Past Due and Still Accruing Interest 43 43
Financing Receivable, Nonaccrual 1,463 1,475
Financial Asset, Past Due    
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross 1,005 876
Commercial Mortgage Loans    
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross 28,884 29,546
Greater than 90 Days Past Due and Still Accruing Interest 0 0
Financing Receivable, Nonaccrual 948 945
Commercial Mortgage Loans | Financial Asset, Past Due    
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross 457 339
Residential Mortgage Loans    
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross 12,313 11,815
Greater than 90 Days Past Due and Still Accruing Interest 0 0
Financing Receivable, Nonaccrual 376 365
Residential Mortgage Loans | Financial Asset, Past Due    
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross 376 365
Agricultural Mortgage Loans    
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross 14,979 15,203
Greater than 90 Days Past Due and Still Accruing Interest 43 43
Financing Receivable, Nonaccrual 139 165
Agricultural Mortgage Loans | Financial Asset, Past Due    
Financing Receivable, Nonaccrual [Line Items]    
Mortgage Loans, Gross $ 172 $ 172