Consolidated Statements of Comprehensive Income (Loss) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Interest income
Mortgage loans	$ 16,632	$ 17,946
Investment securities	652	689
Other	308	351
Total interest income	17,592	18,986
Interest expense	(14,807)	(15,833)
Net interest income	2,785	3,153
Non-interest income (loss)
Guarantee fee income	377	290
Gain (Loss) on Investments	(835)	(513)
Other income (loss)	95	(17)
Non-interest income (loss)	(363)	(240)
Benefit (provision) for credit losses	(1,233)	135
Revenues, Net of Interest Expense	2,422	2,913
Non-interest expense
Salaries and employee benefits	(341)	(322)
Professional services	(76)	(105)
Other administrative expense	(170)	(151)
Total administrative expense	(587)	(578)
Credit enhancement expense	236	(158)
REO operations expense	(85)	(33)
Temporary Payroll Tax Cut Continuation Act of 2011 expense	(432)	(390)
Other expense	(103)	(124)
Non-interest expense	(971)	(1,283)
Income (loss) before income tax (expense) benefit	218	1,765
Income tax (expense) benefit	(45)	(358)
Net income (loss)	173	1,407
Other comprehensive income (loss), net of taxes and reclassification adjustments
Changes in unrealized gains (losses) related to available-for-sale securities	438	246
Changes in unrealized gains (losses) related to cash flow hedge relationships	13	18
Changes in defined benefit plans	(2)	(6)
Total other comprehensive income (loss), net of taxes and reclassification adjustments	449	258
Comprehensive income (loss)	622	1,665
Net income (loss)	173	1,407
Undistributed net worth sweep, senior preferred stock dividends, or future increase in senior preferred stock liquidation preference	(382)	(1,665)
Net income (loss) attributable to common stockholders	$ (209)	$ (258)
Net income (loss) per common share — basic and diluted	$ (0.06)	$ (0.08)
Weighted average common shares outstanding (in millions) — basic and diluted	3,234	3,234