v3.26.3
Mortgage Loans - Mortgage Loans (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivables [Line Items]    
UPB of mortgage loans - HFS $ 1,961 $ 1,244
Cost basis and fair value adjustments, net HFS (329) (230)
Total held-for-sale loans, net 1,632 1,014
UPB of mortgage loans - HFI 3,343,559 3,271,069
Cost basis adjustment HFI 18,695 26,965
Allowance for credit losses (7,382) (7,968)
Total held-for-investment mortgage loans, net 3,354,872 3,290,066
Mortgage Loans Net 3,356,504 3,291,080
Hedged Asset, Fair Value Hedge, Portfolio Layer, Cumulative Increase (Decrease) (1,000) (300)
Mortgage loans FVO held-for-investment 6,298 7,005
Single-family    
Accounts, Notes, Loans and Financing Receivables [Line Items]    
UPB of mortgage loans - HFS 1,601 1,108
Cost basis and fair value adjustments, net HFS (292) (216)
Total held-for-sale loans, net 1,309 892
UPB of mortgage loans - HFI 3,149,490 3,117,945
Cost basis adjustment HFI 19,673 27,491
Allowance for credit losses (6,814) (7,297)
Total held-for-investment mortgage loans, net 3,162,349 3,138,139
Mortgage Loans Net 3,163,658 3,139,031
Multifamily    
Accounts, Notes, Loans and Financing Receivables [Line Items]    
UPB of mortgage loans - HFS 360 136
Cost basis and fair value adjustments, net HFS (37) (14)
Total held-for-sale loans, net 323 122
UPB of mortgage loans - HFI 194,069 153,124
Cost basis adjustment HFI (978) (526)
Allowance for credit losses (568) (671)
Total held-for-investment mortgage loans, net 192,523 151,927
Mortgage Loans Net $ 192,846 $ 152,049