Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Assets:
Cash and cash equivalents	$ 23,914	$ 25,224
Restricted cash (includes $23,126 and $31,536, related to consolidated trusts)	28,137	36,953
Federal funds sold and securities purchased under agreements to resell or similar arrangements	23,740	30,415
Investments in securities:
Trading, at fair value (includes $727 and $1,277, respectively, pledged as collateral)	36,886	40,562
Available-for-sale, at fair value (includes $92 and $107, respectively, related to consolidated trusts)	5,963	8,363
Total investments in securities	42,849	48,925
Mortgage loans:
Loans held for sale, at lower of cost or fair value	4,516	2,899
Loans held for investment, at amortized cost	3,168,437	3,100,319
Allowance for loan losses	(20,194)	(23,465)
Total loans held for investment, net of allowance	3,148,243	3,076,854
Total mortgage loans	3,152,759	3,079,753
Deferred tax assets, net	30,454	33,530
Accrued interest receivable, net (includes $7,496 and $7,064, respectively, related to consolidated trusts)	8,097	7,737
Acquired property, net	3,581	4,489
Other assets	17,228	20,942
Total assets	3,330,759	3,287,968
Liabilities:
Accrued interest payable (includes $8,482 and $8,285, respectively, related to consolidated trusts)	9,637	9,431
Other liabilities (includes $362 and $390, respectively, related to consolidated trusts)	8,891	10,150
Total liabilities	3,327,111	3,281,897
Commitments and contingencies (Note 15)	0	0
Stockholders’ equity:
Senior preferred stock, 1,000,000 shares issued and outstanding	117,149	117,149
Preferred stock, 700,000,000 shares are authorized—555,374,922 shares issued and outstanding	19,130	19,130
Common stock, no par value, no maximum authorization—1,308,762,703 shares issued, 1,158,087,567 and 1,158,082,750 shares outstanding, respectively	687	687
Accumulated deficit	(126,625)	(124,253)
Accumulated other comprehensive income	707	759
Treasury stock, at cost, 150,675,136 and 150,679,953 shares, respectively	(7,400)	(7,401)
Total stockholders’ equity (See Note 1: Senior Preferred Stock for information on our dividend to Treasury)	3,648	6,071
Total liabilities and equity	3,330,759	3,287,968
Fannie Mae [Member]
Mortgage loans:
Loans held for investment, at amortized cost	170,473	204,318
Liabilities:
Debt (includes $8,491 and $9,582, respectively, of debt of Fannie Mae at fair value and $32,760 and $36,524, respectively, of debt of consolidated trusts, at fair value)	291,289	327,097
Consolidated Trusts [Member]
Assets:
Restricted cash (includes $23,126 and $31,536, related to consolidated trusts)	23,126	31,536
Investments in securities:
Available-for-sale, at fair value (includes $92 and $107, respectively, related to consolidated trusts)	92	107
Mortgage loans:
Loans held for investment, at amortized cost	2,997,964	2,896,001
Accrued interest receivable, net (includes $7,496 and $7,064, respectively, related to consolidated trusts)	7,496	7,064
Liabilities:
Accrued interest payable (includes $8,482 and $8,285, respectively, related to consolidated trusts)	8,482	8,285
Debt (includes $8,491 and $9,582, respectively, of debt of Fannie Mae at fair value and $32,760 and $36,524, respectively, of debt of consolidated trusts, at fair value)	3,017,294	2,935,219
Other liabilities (includes $362 and $390, respectively, related to consolidated trusts)	$ 362	$ 390