Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Restricted cash and cash equivalents	$ 66,183	$ 77,286
Securities purchased under agreements to resell or similar arrangements	20,743	28,200
Security pledged as collateral	4,224	6,544
Amortized cost	827	1,606
Allowance for credit losses	0	3
Total loans held for investment, fair value	4,964	6,490
Accrued interest receivable	9,264	9,937
Interest receivable, allowance for credit loss	140	216
Accrued interest payable	9,186	9,719
Other liabilities	14,432	15,035
Senior preferred stock, liquidation preference	$ 163,672	$ 142,192
Preferred stock, shares authorized	700,000,000	700,000,000
Preferred stock, shares issued	555,374,922	555,374,922
Preferred stock, shares outstanding	555,374,922	555,374,922
Common stock, shares issued	1,308,762,703	1,308,762,703
Common stock, shares outstanding	1,158,087,567	1,158,087,567
Treasury stock, shares	150,675,136	150,675,136
Consolidated Trusts
Restricted cash and cash equivalents	$ 59,203	$ 68,308
Securities purchased under agreements to resell or similar arrangements	13,533	0
Accrued interest receivable	8,878	9,635
Accrued interest payable	8,517	8,955
Long-term debt	21,735	24,586
Other liabilities	1,245	1,523
Fannie Mae
Long-term debt	$ 2,381	$ 3,728