Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Interest income:
Trading securities	$ 128	$ 116	$ 248	$ 231
Available-for-sale securities	170	294	373	670
Mortgage loans (includes $23,866 and $24,267, respectively, for the three months ended and $48,492 and $48,889, respectively, for the six months ended related to consolidated trusts)	26,256	26,682	53,217	53,726
Other	46	34	94	67
Total interest income	26,600	27,126	53,932	54,694
Interest expense:
Short-term debt	57	33	108	62
Long-term debt (includes $19,521 and $19,528, respectively, for the three months ended and $40,179 and $40,043, respectively, for the six months ended related to consolidated trusts)	21,257	21,416	43,769	43,888
Total interest expense	21,314	21,449	43,877	43,950
Net interest income	5,286	5,677	10,055	10,744
Benefit (provision) for credit losses	1,601	(1,033)	2,785	(500)
Net interest income after benefit (provision) for credit losses	6,887	4,644	12,840	10,244
Non-interest income (loss):
Investment gains, net	398	514	467	856
Fair value gains (losses), net	(1,667)	2,606	(4,480)	687
Fee and other income	174	556	377	864
Non-interest income (loss)	(1,095)	3,676	(3,636)	2,407
Administrative expenses:
Salaries and employee benefits	331	331	695	682
Professional services	232	251	447	522
Occupancy expenses	46	43	91	86
Other administrative expenses	69	64	133	122
Total administrative expenses	678	689	1,366	1,412
Foreclosed property expense	63	182	397	655
Temporary Payroll Tax Cut Continuation Act of 2011 (“TCCA”) fees	453	397	893	779
Other expenses, net	254	202	518	197
Total expenses	1,448	1,470	3,174	3,043
Income before federal income taxes	4,344	6,850	6,030	9,608
Provision for federal income taxes	(1,398)	(2,210)	(1,948)	(3,080)
Net income	2,946	4,640	4,082	6,528
Other comprehensive loss:
Changes in unrealized gains on available-for-sale securities, net of reclassification adjustments and taxes	(75)	(280)	(273)	(371)
Other	(2)	(1)	(4)	(2)
Total other comprehensive loss	(77)	(281)	(277)	(373)
Total comprehensive income attributable to Fannie Mae	2,869	4,359	3,805	6,155
Net income attributable to Fannie Mae	2,946	4,640	4,082	6,528
Dividends distributed or available for distribution to senior preferred stockholder (Note 10)	(2,869)	(4,359)	(3,788)	(6,155)
Net income attributable to common stockholders (Note 10)	$ 77	$ 281	$ 294	$ 373
Earnings per share, basic (in dollars per share)	$ 0.01	$ 0.05	$ 0.05	$ 0.06
Earnings per share, diluted (in dollars per share)	$ 0.01	$ 0.05	$ 0.05	$ 0.06
Weighted-average common shares outstanding, basic	5,762	5,762	5,762	5,762
Weighted-average common shares outstanding, diluted	5,893	5,893	5,893	5,893