v3.26.1
Investments (Mortgage Loans Allowance for Credit Loss Rollforward by Portfolio Segment) (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance, beginning of period $ 1,193 $ 800
Provision (release) 316 447
Charge-offs, net of recoveries (151) (51)
Balance, end of period 1,358 1,196
Commercial Mortgage Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance, beginning of period 807 537
Provision (release) 348 410
Charge-offs, net of recoveries (139) (51)
Balance, end of period 1,016 896
Residential Mortgage Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance, beginning of period 271 179
Provision (release) (33) 27
Charge-offs, net of recoveries (3) 0
Balance, end of period 235 206
Agricultural Mortgage Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Balance, beginning of period 115 84
Provision (release) 1 10
Charge-offs, net of recoveries (9) 0
Balance, end of period $ 107 $ 94