v3.26.1
Investments (Mortgage Loans in Nonaccrual Status by Portfolio Segment) (Details) - Mortgage Loans - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Financing Receivable, Nonaccrual [Line Items]    
Financing receivable in nonaccrual status $ 347 $ 333
Commercial    
Financing Receivable, Nonaccrual [Line Items]    
Financing receivable in nonaccrual status 239 220
Agricultural    
Financing Receivable, Nonaccrual [Line Items]    
Financing receivable in nonaccrual status 2 5
Residential    
Financing Receivable, Nonaccrual [Line Items]    
Financing receivable in nonaccrual status $ 106 $ 108