Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Assets:
Restricted cash and cash equivalents related to consolidated trusts	$ 66,087	$ 77,286
Federal funds sold and securities purchased under agreements to resell or similar arrangements related to consolidated trusts	27,610	28,200
Investments in securities:
Trading, at fair value pledged as collateral	5,567	6,544
Available-for-sale securities at amortized cost	873	1,606
Allowance for credit losses	0	3
Mortgage loans:
Total loans held for investment, at fair value	5,301	6,490
Accrued interest receivable, net, related to consolidated trusts	9,895	9,937
Liabilities:
Accrued interest payable related to consolidated trusts	9,299	9,719
Other liabilities related to consolidated trusts	15,268	15,035
Fannie Mae stockholders’ equity:
Senior preferred stock liquidation preference	$ 158,844	$ 142,192
Preferred stock authorized (shares)	700,000,000	700,000,000
Preferred stock issued (shares)	555,374,922	555,374,922
Preferred stock outstanding (shares)	555,374,922	555,374,922
Common stock issued (shares)	1,308,762,703	1,308,762,703
Common stock outstanding (shares)	1,158,087,567	1,158,087,567
Treasury stock at cost (shares)	150,675,136	150,675,136
SEC Schedule, 12-09, Allowance, Loan and Lease Loss
Mortgage loans:
Accrued interest receivable, net, related to consolidated trusts	$ 118	$ 216
Fannie Mae
Liabilities:
Long-term debt at fair value	2,633	3,728
Consolidated Trusts
Assets:
Restricted cash and cash equivalents related to consolidated trusts	59,370	68,308
Federal funds sold and securities purchased under agreements to resell or similar arrangements related to consolidated trusts	27,110	0
Mortgage loans:
Accrued interest receivable, net, related to consolidated trusts	9,544	9,635
Liabilities:
Accrued interest payable related to consolidated trusts	8,563	8,955
Long-term debt at fair value	23,020	24,586
Other liabilities related to consolidated trusts	$ 1,233	$ 1,523

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