v3.26.1
Mortgage Loans - Accrued Interest Receivable and Related Charge-Offs (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Financing Receivable, Allowance for Credit Loss [Line Items]          
Accrued Interest Receivable $ 12,473   $ 12,473   $ 12,254
Single family          
Financing Receivable, Allowance for Credit Loss [Line Items]          
Accrued Interest Receivable 10,787   10,787   10,547
Financing Receivable, Accrued Interest, Writeoff (70) $ (60) (143) $ (124)  
Multifamily          
Financing Receivable, Allowance for Credit Loss [Line Items]          
Accrued Interest Receivable 755   755   $ 663
Financing Receivable, Accrued Interest, Writeoff $ (5) $ 0 $ (5) $ (3)