v3.25.3
Fair Value Disclosures - Fair Value of Financial Instruments (Details) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Financial Assets    
Securities Purchased under Agreements to Resell $ 86,334 $ 100,118
Counterparty netting (5,461) (8,220)
Mortgage Loans [Abstract]    
Mortgage Loans Held-for-sale 1,807 15,560
Mortgage loans held-for-investment (net of allowance for credit losses of $7,890 and $6,774 and includes $7,107 and $2,413 at fair value) 3,248,704 3,172,329
Mortgage Loans Net 3,250,511 3,187,889
Derivative Asset 958 501
Netting adjustments (3,044) (3,906)
Other Assets 6,048 5,870
Financial Liabilities    
Debt 5,697 2,339
Counterparty netting (5,461) (8,220)
Derivative Liability 729 954
Netting Adjustment (3,044) (3,906)
Other Liabilities 11,329 12,346
Other Liabilities, Fair Value 729 978
Mortgage Loans held-for-investment, fair value 7,107 2,413
Held by Freddie Mac    
Financial Liabilities    
Debt 200 300
Held by consolidated trusts    
Financial Assets    
Securities Purchased under Agreements to Resell 15,729 12,764
Mortgage Loans [Abstract]    
Mortgage loans held-for-investment (net of allowance for credit losses of $7,890 and $6,774 and includes $7,107 and $2,413 at fair value) 3,167,302 3,114,937
Financial Liabilities    
Debt 5,500 2,000
GAAP Carrying Amount    
Financial Assets    
Cash and Cash Equivalents 4,624 5,534
Securities Purchased under Agreements to Resell 86,334 100,118
Investments in Securities [Abstract]    
Debt Securities, Available-for-sale 3,641 3,899
Trading, at fair value 80,214 51,872
Total investments in securities 83,855 55,771
Mortgage Loans [Abstract]    
Mortgage Loans Held-for-sale 1,807 15,560
Mortgage loans held-for-investment (net of allowance for credit losses of $7,890 and $6,774 and includes $7,107 and $2,413 at fair value) 3,248,704 3,172,329
Guarantee Assets 4,871 5,126
Derivative Asset 958 501
All Other Assets 2,442 1,801
Other Assets 8,271 7,428
Total Assets carried at fair value on a recurring basis 3,433,595 3,356,740
Financial Liabilities    
Debt 3,379,073 3,304,949
Guarantee obligation 4,680 5,072
Derivative Liability 729 954
Other Liabilities 0 23
Other Liabilities, Fair Value 5,409 6,049
Total Financial Liabilities 3,384,482 3,310,998
GAAP Carrying Amount | Held by Freddie Mac    
Financial Liabilities    
Debt 203,609 182,008
GAAP Carrying Amount | Held by consolidated trusts    
Financial Liabilities    
Debt 3,175,464 3,122,941
GAAP Carrying Amount | AmortizedCost    
Financial Liabilities    
Debt 3,400,000 3,300,000
Mortgage Loans held-for-investment, fair value 3,200,000 3,200,000
GAAP Carrying Amount | Lower Of Cost Or Fair Value    
Mortgage Loans [Abstract]    
Mortgage Loans Held-for-sale 1,800 4,200
GAAP Carrying Amount | FV - NI    
Mortgage Loans [Abstract]    
Mortgage Loans Held-for-sale 0 11,400
Financial Liabilities    
Debt 5,700 2,300
Mortgage Loans held-for-investment, fair value 7,100 2,400
Fair Value    
Financial Assets    
Cash and Cash Equivalents 4,624 5,534
Securities Purchased under Agreements to Resell 86,334 100,118
Counterparty netting (5,461) (8,220)
Investments in Securities [Abstract]    
Debt Securities, Available-for-sale 3,641 3,899
Trading, at fair value 80,214 51,872
Total investments in securities 83,855 55,771
Mortgage Loans [Abstract]    
Mortgage Loans Held-for-sale 1,895 15,707
Mortgage loans held-for-investment (net of allowance for credit losses of $7,890 and $6,774 and includes $7,107 and $2,413 at fair value) 2,944,401 2,756,079
Guarantee Assets 4,873 5,128
Derivative Asset 958 501
Netting adjustments (4,342) (5,989)
All Other Assets 2,880 1,930
Other Assets 8,711 7,559
Total Asset Netting Adjustment (9,803) (14,209)
Total Assets carried at fair value on a recurring basis 3,129,820 2,940,768
Financial Liabilities    
Debt 3,072,577 2,882,142
Counterparty netting (5,461) (8,220)
Guarantee obligation 6,260 6,460
Derivative Liability 729 954
Netting Adjustment (4,359) (6,282)
Other Liabilities 242 810
Other Liabilities, Fair Value 7,231 8,224
Total Liability Netting Adjustment (9,820) (14,502)
Total Financial Liabilities 3,079,808 2,890,366
Fair Value | Held by Freddie Mac    
Financial Liabilities    
Debt 204,315 182,350
Fair Value | Held by consolidated trusts    
Financial Liabilities    
Debt 2,868,262 2,699,792
Fair Value | Level 1    
Financial Assets    
Cash and Cash Equivalents 4,624 5,534
Securities Purchased under Agreements to Resell 0 0
Investments in Securities [Abstract]    
Debt Securities, Available-for-sale 0 0
Trading, at fair value 69,582 42,289
Total investments in securities 69,582 42,289
Mortgage Loans [Abstract]    
Mortgage Loans Held-for-sale 0 0
Mortgage loans held-for-investment (net of allowance for credit losses of $7,890 and $6,774 and includes $7,107 and $2,413 at fair value) 0 0
Guarantee Assets 0 0
Derivative assets, net 10 9
All Other Assets 0 0
Other Assets 10 9
Total Assets carried at fair value on a recurring basis 74,216 47,832
Financial Liabilities    
Debt 0 0
Guarantee obligation 0 0
Derivative liabilities, net 1 0
Other Liabilities 0 0
Other Liabilities, Fair Value 1 0
Total Financial Liabilities 1 0
Fair Value | Level 1 | Held by Freddie Mac    
Financial Liabilities    
Debt 0 0
Fair Value | Level 1 | Held by consolidated trusts    
Financial Liabilities    
Debt 0 0
Fair Value | Level 2    
Financial Assets    
Cash and Cash Equivalents 0 0
Securities Purchased under Agreements to Resell 91,795 108,338
Investments in Securities [Abstract]    
Debt Securities, Available-for-sale 2,922 3,316
Trading, at fair value 7,565 6,556
Total investments in securities 10,487 9,872
Mortgage Loans [Abstract]    
Mortgage Loans Held-for-sale 266 11,943
Mortgage loans held-for-investment (net of allowance for credit losses of $7,890 and $6,774 and includes $7,107 and $2,413 at fair value) 2,571,055 2,469,708
Guarantee Assets 0 0
Derivative assets, net 5,211 6,387
All Other Assets 605 323
Other Assets 5,816 6,710
Total Assets carried at fair value on a recurring basis 2,679,419 2,606,571
Financial Liabilities    
Debt 3,074,187 2,886,699
Guarantee obligation 93 98
Derivative liabilities, net 5,038 7,116
Other Liabilities 157 701
Other Liabilities, Fair Value 5,288 7,915
Total Financial Liabilities 3,079,475 2,894,614
Fair Value | Level 2 | Held by Freddie Mac    
Financial Liabilities    
Debt 206,304 187,287
Fair Value | Level 2 | Held by consolidated trusts    
Financial Liabilities    
Debt 2,867,883 2,699,412
Fair Value | Level 3    
Financial Assets    
Cash and Cash Equivalents 0 0
Securities Purchased under Agreements to Resell 0 0
Investments in Securities [Abstract]    
Debt Securities, Available-for-sale 719 583
Trading, at fair value 3,067 3,027
Total investments in securities 3,786 3,610
Mortgage Loans [Abstract]    
Mortgage Loans Held-for-sale 1,629 3,764
Mortgage loans held-for-investment (net of allowance for credit losses of $7,890 and $6,774 and includes $7,107 and $2,413 at fair value) 373,346 286,371
Guarantee Assets 4,873 5,128
Derivative assets, net 79 94
All Other Assets 2,275 1,607
Other Assets 7,227 6,829
Total Assets carried at fair value on a recurring basis 385,988 300,574
Financial Liabilities    
Debt 3,851 3,663
Guarantee obligation 6,167 6,362
Derivative liabilities, net 49 120
Other Liabilities 85 109
Other Liabilities, Fair Value 6,301 6,591
Total Financial Liabilities 10,152 10,254
Fair Value | Level 3 | Held by Freddie Mac    
Financial Liabilities    
Debt 3,472 3,283
Fair Value | Level 3 | Held by consolidated trusts    
Financial Liabilities    
Debt $ 379 $ 380