v3.26.1
Mortgage Loans - Accrued Interest Receivable and Related Charge-Offs (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Financing Receivable, Allowance for Credit Loss [Line Items]      
Accrued Interest Receivable $ 12,207   $ 12,254
Single family      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Accrued Interest Receivable 10,598   10,547
Financing Receivable, Accrued Interest, Writeoff (73) $ (64)  
Multifamily      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Accrued Interest Receivable 708   $ 663
Financing Receivable, Accrued Interest, Writeoff $ 0 $ (3)