Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Net cash (used in) provided by operating activities
Net cash (used in) provided by operating activities	$ (1,506)	$ 3,420
Cash flows provided by investing activities:
Proceeds from maturities and paydowns of trading securities held for investment	484	681
Proceeds from sales of trading securities held for investment	992	1,188
Proceeds from maturities and paydowns of available-for-sale securities	2,279	3,022
Proceeds from sales of available-for-sale securities	5,311	1,740
Purchases of loans held for investment	(98,042)	(55,843)
Net change in restricted cash	(4,846)	(592)
Advances to lenders	(62,110)	(42,545)
Proceeds from disposition of acquired property and preforeclosure sales	11,384	13,471
Net change in federal funds sold and securities purchased under agreements to resell or similar arrangements	8,940	22,275
Other, net	(65)	(349)
Net cash provided by investing activities	136,609	133,415
Cash flows used in financing activities:
Payments of cash dividends on senior preferred stock to Treasury	(3,716)	(12,882)
Other, net	(46)	(7)
Net cash used in financing activities	(137,813)	(135,216)
Net (decrease) increase in cash and cash equivalents	(2,710)	1,619
Cash and cash equivalents at beginning of period	22,023	19,228
Cash and cash equivalents at end of period	19,313	20,847
Cash paid during the period for:
Interest	52,679	53,594
Income Taxes	370	2,475
Fannie Mae [Member]
Cash flows provided by investing activities:
Proceeds from repayments and sales of loans acquired as held for investment of Fannie Mae	12,853	12,840
Cash flows used in financing activities:
Proceeds from issuance of debt	213,648	165,337
Payments to redeem debt	(249,610)	(217,988)
Consolidated Trusts [Member]
Cash flows provided by investing activities:
Proceeds from repayments and sales of loans acquired as held for investment of consolidated trusts	259,429	177,527
Cash flows used in financing activities:
Proceeds from issuance of debt	167,880	113,448
Payments to redeem debt	$ (265,969)	$ (183,124)