Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Interest income:
Trading securities	$ 120	$ 115
Available-for-sale securities	203	376
Mortgage loans (includes $24,626 and $24,622, respectively, related to consolidated trusts)	26,961	27,044
Other	48	33
Total interest income	27,332	27,568
Interest expense:
Short-term debt	51	29
Long-term debt (includes $20,658 and $20,515, respectively, related to consolidated trusts)	22,512	22,472
Total interest expense	22,563	22,501
Net interest income	4,769	5,067
Benefit for credit losses	1,184	533
Net interest income after benefit for credit losses	5,953	5,600
Non-interest income (loss):
Investment gains, net	69	342
Fair value losses, net	(2,813)	(1,919)
Fee and other income	203	308
Non-interest loss	(2,541)	(1,269)
Administrative expenses:
Salaries and employee benefits	364	351
Professional services	215	271
Occupancy expenses	45	43
Other administrative expenses	64	58
Total administrative expenses	688	723
Foreclosed property expense	334	473
Temporary Payroll Tax Cut Continuation Act of 2011 (“TCCA”) fees	440	382
Other expenses (income), net	264	(5)
Total expenses	1,726	1,573
Income before federal income taxes	1,686	2,758
Provision for federal income taxes	(550)	(870)
Net income	1,136	1,888
Other comprehensive loss:
Changes in unrealized gains on available-for-sale securities, net of reclassification adjustments and taxes	(198)	(91)
Other	(2)	(1)
Total other comprehensive loss	(200)	(92)
Total comprehensive income attributable to Fannie Mae	936	1,796
Net income attributable to Fannie Mae	1,136	1,888
Dividends distributed or available for distribution to senior preferred stockholder (Note 10)	(919)	(1,796)
Net income attributable to common stockholders (Note 10)	$ 217	$ 92
Earnings (loss) per share, Basic (in dollars per share)	$ 0.04	$ 0.02
Earnings (loss) per share, Diluted (in dollars per share)	$ 0.04	$ 0.02
Weighted-average common shares outstanding, Basic	5,762	5,762
Weighted-average common shares outstanding, Diluted	5,893	5,893