Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Interest income:
Trading securities	$ 122	$ 219	$ 262	$ 535
Available-for-sale securities	18	26	37	57
Mortgage loans	24,932	27,007	48,285	55,945
Federal funds sold and securities purchased under agreements to resell or similar arrangements	4	14	12	121
Other	31	25	73	59
Total interest income	25,107	27,291	48,669	56,717
Interest expense:
Short-term debt	(1)	(54)	(4)	(156)
Long-term debt	(16,820)	(21,460)	(33,637)	(45,437)
Total interest expense	(16,821)	(21,514)	(33,641)	(45,593)
Net interest income	8,286	5,777	15,028	11,124
Benefit (provision) for credit losses	2,588	(12)	3,353	(2,595)
Net interest income after benefit (provision) for credit losses	10,874	5,765	18,381	8,529
Non-interest income (loss):
Investment gains (losses), net	646	149	691	(9)
Fair value gains (losses), net	(446)	(1,018)	338	(1,294)
Fee and other income	103	90	190	210
Non-interest income (loss)	303	(779)	1,219	(1,093)
Administrative expenses:
Salaries and employee benefits	(365)	(382)	(752)	(775)
Professional services	(184)	(231)	(398)	(443)
Other administrative expenses	(197)	(141)	(344)	(285)
Total administrative expenses	(746)	(754)	(1,494)	(1,503)
Foreclosed property expense	(41)	(10)	(36)	(90)
Temporary Payroll Tax Cut Continuation Act of 2011 (“TCCA”) fees	(758)	(660)	(1,489)	(1,297)
Credit enhancement expense	(274)	(360)	(558)	(736)
Change in expected credit enhancement recoveries	(44)	273	(75)	461
Other expenses, net	(280)	(261)	(599)	(479)
Total expenses	(2,143)	(1,772)	(4,251)	(3,644)
Income before federal income taxes	9,034	3,214	15,349	3,792
Provision for federal income taxes	(1,882)	(669)	(3,204)	(786)
Other comprehensive income (loss):
Changes in unrealized gains (losses) on available-for-sale securities, net of reclassification adjustments and taxes	(31)	(11)	(54)	7
Other, net of taxes	(1)	(2)	(5)	(5)
Total other comprehensive income (loss)	(32)	(13)	(59)	2
Total comprehensive income	7,120	2,532	12,086	3,008
Net income	7,152	2,545	12,145	3,006
Dividends distributed or amounts attributable to senior preferred stock	(7,120)	(2,532)	(12,086)	(3,008)
Net income (loss) attributable to common stockholders	32	13	59	(2)
Net income (loss) attributable to common stockholders	$ 32	$ 13	$ 59	$ (2)
Earnings per share, Basic (in usd per share)	$ 0.01	$ 0.00	$ 0.01	$ (0.00)
Earnings per share, Diluted (in usd per share)	$ 0.01	$ 0.00	$ 0.01	$ (0.00)
Weighted-average common shares outstanding, Basic (shares)	5,867	5,867	5,867	5,867
Weighted-average common shares outstanding, Diluted (shares)	5,893	5,893	5,893	5,867