v3.26.1
Investments (Mortgage Loans in Nonaccrual Status by Portfolio Segment) (Details) - Mortgage Loans - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Financing Receivable, Nonaccrual [Line Items]    
Financing receivable in nonaccrual status $ 351 $ 333
Commercial    
Financing Receivable, Nonaccrual [Line Items]    
Financing receivable in nonaccrual status 238 220
Agricultural    
Financing Receivable, Nonaccrual [Line Items]    
Financing receivable in nonaccrual status 1 5
Residential    
Financing Receivable, Nonaccrual [Line Items]    
Financing receivable in nonaccrual status $ 112 $ 108