Fair Value FV Measurement 2 - Level 3 Reconciliation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	$ 38		$ (274)		$ 283		$ (166)
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	3		(9)		135		0
Interest Income [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	70		79		125		145
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	0		0		0		0
Fair Value Gains (Losses), Net [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	(31)		33		161		120
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	3		(9)		135		0
Net Other-than-Temporary Impairments [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	(4)		(388)		(9)		(439)
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	0		0		0		0
Other [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	3		2		6		8
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	0		0		0		0
Trading securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	2,752		2,756		2,286		4,238
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	47		41		287		45
Total Gains or (Losses) (Realized/Unrealized) Included in Other Comprehensive Income (Loss)	0	[1]	0	[1]	0	[1]	0	[1]
Purchases	0	[2]	0	[2]	0	[2]	0	[2]
Sales	0	[2]	0	[2]	0	[2]	(33)	[2]
Issues	0	[3]	0	[3]	0	[3]	0	[3]
Settlements	(88)	[3]	(105)	[3]	(143)	[3]	(263)	[3]
Transfers out of Level 3	(162)	[4]	(416)	[4]	(206)	[4]	(2,006)	[4]
Transfers Into Level 3	410	[4]	29	[4]	735	[4]	324	[4]
Ending Balance	2,959		2,305		2,959		2,305
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	45	[5]	(7)	[5]	281	[5]	(15)	[5]
Trading securities [Member] | Fannie Mae [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	61		89		68		1,737
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	(3)		(3)		(6)		2
Total Gains or (Losses) (Realized/Unrealized) Included in Other Comprehensive Income (Loss)	0	[1]	0	[1]	0	[1]	0	[1]
Purchases	0	[2]	0	[2]	0	[2]	0	[2]
Sales	0	[2]	0	[2]	0	[2]	(33)	[2]
Issues	0	[3]	0	[3]	0	[3]	0	[3]
Settlements	(6)	[3]	(4)	[3]	(10)	[3]	(108)	[3]
Transfers out of Level 3	0	[4]	0	[4]	0	[4]	(1,581)	[4]
Transfers Into Level 3	0	[4]	0	[4]	0	[4]	65	[4]
Ending Balance	52		82		52		82
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	(3)	[5]	(2)	[5]	(6)	[5]	(2)	[5]
Trading securities [Member] | Freddie Mac [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	2		2		2		0
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	0		0		0		0
Total Gains or (Losses) (Realized/Unrealized) Included in Other Comprehensive Income (Loss)	0	[1]	0	[1]	0	[1]	0	[1]
Purchases	0	[2]	0	[2]	0	[2]	0	[2]
Sales	0	[2]	0	[2]	0	[2]	0	[2]
Issues	0	[3]	0	[3]	0	[3]	0	[3]
Settlements	0	[3]	0	[3]	0	[3]	0	[3]
Transfers out of Level 3	0	[4]	0	[4]	0	[4]	0	[4]
Transfers Into Level 3	0	[4]	0	[4]	0	[4]	2	[4]
Ending Balance	2		2		2		2
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	0	[5]	0	[5]	0	[5]	0	[5]
Trading securities [Member] | Ginnie Mae [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	0				1		9
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	0				0		0
Total Gains or (Losses) (Realized/Unrealized) Included in Other Comprehensive Income (Loss)	0	[1]			0	[1]	0	[1]
Purchases	0	[2]			0	[2]	0	[2]
Sales	0	[2]			0	[2]	0	[2]
Issues	0	[3]			0	[3]	0	[3]
Settlements	0	[3]			(1)	[3]	0	[3]
Transfers out of Level 3	0	[4]			0	[4]	(9)	[4]
Transfers Into Level 3	2	[4]			2	[4]	0	[4]
Ending Balance	2		0		2		0
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	0	[5]			0	[5]	0	[5]
Trading securities [Member] | Alt-A private-label securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	464		569		104		345
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	32		56		127		69
Total Gains or (Losses) (Realized/Unrealized) Included in Other Comprehensive Income (Loss)	0	[1]	0	[1]	0	[1]	0	[1]
Purchases	0	[2]	0	[2]	0	[2]	0	[2]
Sales	0	[2]	0	[2]	0	[2]	0	[2]
Issues	0	[3]	0	[3]	0	[3]	0	[3]
Settlements	(39)	[3]	(50)	[3]	(55)	[3]	(67)	[3]
Transfers out of Level 3	(162)	[4]	(416)	[4]	(206)	[4]	(416)	[4]
Transfers Into Level 3	408	[4]	29	[4]	733	[4]	257	[4]
Ending Balance	703		188		703		188
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	31	[5]	7	[5]	121	[5]	13	[5]
Trading securities [Member] | Subprime private-label securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	1,446		1,305		1,319		1,280
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	80		(37)		239		22
Total Gains or (Losses) (Realized/Unrealized) Included in Other Comprehensive Income (Loss)	0	[1]	0	[1]	0	[1]	0	[1]
Purchases	0	[2]	0	[2]	0	[2]	0	[2]
Sales	0	[2]	0	[2]	0	[2]	0	[2]
Issues	0	[3]	0	[3]	0	[3]	0	[3]
Settlements	(38)	[3]	(42)	[3]	(70)	[3]	(76)	[3]
Transfers out of Level 3	0	[4]	0	[4]	0	[4]	0	[4]
Transfers Into Level 3	0	[4]	0	[4]	0	[4]	0	[4]
Ending Balance	1,488		1,226		1,488		1,226
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	79	[5]	(37)	[5]	239	[5]	22	[5]
Trading securities [Member] | Mortgage revenue bonds [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	661		668		675		724
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	(56)		28		(69)		(26)
Total Gains or (Losses) (Realized/Unrealized) Included in Other Comprehensive Income (Loss)	0	[1]	0	[1]	0	[1]	0	[1]
Purchases	0	[2]	0	[2]	0	[2]	0	[2]
Sales	0	[2]	0	[2]	0	[2]	0	[2]
Issues	0	[3]	0	[3]	0	[3]	0	[3]
Settlements	(2)	[3]	(7)	[3]	(3)	[3]	(9)	[3]
Transfers out of Level 3	0	[4]	0	[4]	0	[4]	0	[4]
Transfers Into Level 3	0	[4]	0	[4]	0	[4]	0	[4]
Ending Balance	603		689		603		689
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	(56)	[5]	28	[5]	(69)	[5]	(26)	[5]
Trading securities [Member] | Other [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	118		123		117		143
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	(6)		(3)		(4)		(22)
Total Gains or (Losses) (Realized/Unrealized) Included in Other Comprehensive Income (Loss)	0	[1]	0	[1]	0	[1]	0	[1]
Purchases	0	[2]	0	[2]	0	[2]	0	[2]
Sales	0	[2]	0	[2]	0	[2]	0	[2]
Issues	0	[3]	0	[3]	0	[3]	0	[3]
Settlements	(3)	[3]	(2)	[3]	(4)	[3]	(3)	[3]
Transfers out of Level 3	0	[4]	0	[4]	0	[4]	0	[4]
Transfers Into Level 3	0	[4]	0	[4]	0	[4]	0	[4]
Ending Balance	109		118		109		118
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	(6)	[5]	(3)	[5]	(4)	[5]	(22)	[5]
Available-for-sale securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	24,451		27,853		25,034		29,492
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	70		(306)		125		(280)
Total Gains or (Losses) (Realized/Unrealized) Included in Other Comprehensive Income (Loss)	283	[1]	435	[1]	1,193	[1]	733	[1]
Purchases	0	[2]	5	[2]	0	[2]	6	[2]
Sales	0	[2]	(23)	[2]	(19)	[2]	(48)	[2]
Issues	0	[3]	0	[3]	0	[3]	0	[3]
Settlements	(1,502)	[3]	(1,189)	[3]	(2,606)	[3]	(2,236)	[3]
Transfers out of Level 3	(773)	[4]	(922)	[4]	(1,979)	[4]	(2,802)	[4]
Transfers Into Level 3	1,811	[4]	475	[4]	2,592	[4]	1,463	[4]
Ending Balance	24,340		26,328		24,340		26,328
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	0	[5]	0	[5]	0	[5]	0	[5]
Available-for-sale securities [Member] | Fannie Mae [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	12		37		29		946
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	0		0		0		0
Total Gains or (Losses) (Realized/Unrealized) Included in Other Comprehensive Income (Loss)	(1)	[1]	0	[1]	(1)	[1]	(8)	[1]
Purchases	0	[2]	5	[2]	0	[2]	6	[2]
Sales	0	[2]	(5)	[2]	0	[2]	(6)	[2]
Issues	0	[3]	0	[3]	0	[3]	0	[3]
Settlements	(1)	[3]	(3)	[3]	(4)	[3]	(19)	[3]
Transfers out of Level 3	0	[4]	0	[4]	(14)	[4]	(895)	[4]
Transfers Into Level 3	0	[4]	0	[4]	0	[4]	10	[4]
Ending Balance	10		34		10		34
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	0	[5]	0	[5]	0	[5]	0	[5]
Available-for-sale securities [Member] | Freddie Mac [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	9		11		10		12
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	0		0		0		0
Total Gains or (Losses) (Realized/Unrealized) Included in Other Comprehensive Income (Loss)	(1)	[1]	0	[1]	(1)	[1]	0	[1]
Purchases	0	[2]	0	[2]	0	[2]	0	[2]
Sales	0	[2]	0	[2]	0	[2]	0	[2]
Issues	0	[3]	0	[3]	0	[3]	0	[3]
Settlements	0	[3]	0	[3]	(1)	[3]	(1)	[3]
Transfers out of Level 3	0	[4]	0	[4]	0	[4]	0	[4]
Transfers Into Level 3	1	[4]	0	[4]	1	[4]	0	[4]
Ending Balance	9		11		9		11
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	0	[5]	0	[5]	0	[5]	0	[5]
Available-for-sale securities [Member] | Alt-A private-label securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	6,112		7,136		6,564		7,256
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	11		(85)		20		(102)
Total Gains or (Losses) (Realized/Unrealized) Included in Other Comprehensive Income (Loss)	249	[1]	127	[1]	467	[1]	293	[1]
Purchases	0	[2]	0	[2]	0	[2]	0	[2]
Sales	0	[2]	0	[2]	0	[2]	0	[2]
Issues	0	[3]	0	[3]	0	[3]	0	[3]
Settlements	(401)	[3]	(275)	[3]	(669)	[3]	(537)	[3]
Transfers out of Level 3	(773)	[4]	(922)	[4]	(1,965)	[4]	(1,907)	[4]
Transfers Into Level 3	1,810	[4]	475	[4]	2,591	[4]	1,453	[4]
Ending Balance	7,008		6,456		7,008		6,456
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	0	[5]	0	[5]	0	[5]	0	[5]
Available-for-sale securities [Member] | Subprime private-label securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	7,868		7,595		7,447		7,586
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	46		(230)		90		(195)
Total Gains or (Losses) (Realized/Unrealized) Included in Other Comprehensive Income (Loss)	234	[1]	203	[1]	911	[1]	506	[1]
Purchases	0	[2]	0	[2]	0	[2]	0	[2]
Sales	0	[2]	0	[2]	0	[2]	0	[2]
Issues	0	[3]	0	[3]	0	[3]	0	[3]
Settlements	(286)	[3]	(338)	[3]	(586)	[3]	(667)	[3]
Transfers out of Level 3	0	[4]	0	[4]	0	[4]	0	[4]
Transfers Into Level 3	0	[4]	0	[4]	0	[4]	0	[4]
Ending Balance	7,862		7,230		7,862		7,230
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	0	[5]	0	[5]	0	[5]	0	[5]
Available-for-sale securities [Member] | Mortgage revenue bonds [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	7,351		9,732		7,837		10,247
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	12		1		10		3
Total Gains or (Losses) (Realized/Unrealized) Included in Other Comprehensive Income (Loss)	(253)	[1]	117	[1]	(282)	[1]	(20)	[1]
Purchases	0	[2]	0	[2]	0	[2]	0	[2]
Sales	0	[2]	(18)	[2]	(19)	[2]	(42)	[2]
Issues	0	[3]	0	[3]	0	[3]	0	[3]
Settlements	(710)	[3]	(479)	[3]	(1,146)	[3]	(835)	[3]
Transfers out of Level 3	0	[4]	0	[4]	0	[4]	0	[4]
Transfers Into Level 3	0	[4]	0	[4]	0	[4]	0	[4]
Ending Balance	6,400		9,353		6,400		9,353
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	0	[5]	0	[5]	0	[5]	0	[5]
Available-for-sale securities [Member] | Other [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	3,099		3,342		3,147		3,445
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	1		8		5		14
Total Gains or (Losses) (Realized/Unrealized) Included in Other Comprehensive Income (Loss)	55	[1]	(12)	[1]	99	[1]	(38)	[1]
Purchases	0	[2]	0	[2]	0	[2]	0	[2]
Sales	0	[2]	0	[2]	0	[2]	0	[2]
Issues	0	[3]	0	[3]	0	[3]	0	[3]
Settlements	(104)	[3]	(94)	[3]	(200)	[3]	(177)	[3]
Transfers out of Level 3	0	[4]	0	[4]	0	[4]	0	[4]
Transfers Into Level 3	0	[4]	0	[4]	0	[4]	0	[4]
Ending Balance	3,051		3,244		3,051		3,244
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	0	[5]	0	[5]	0	[5]	0	[5]
Mortgage Loans [Member] | Consolidated Trusts [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	2,882		2,271		2,634		2,319
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	30		47		57		120
Total Gains or (Losses) (Realized/Unrealized) Included in Other Comprehensive Income (Loss)	0	[1]	0	[1]	0	[1]	0	[1]
Purchases	85	[2]	142	[2]	243	[2]	387	[2]
Sales	0	[2]	0	[2]	0	[2]	0	[2]
Issues	0	[3]	0	[3]	0	[3]	0	[3]
Settlements	(122)	[3]	(110)	[3]	(234)	[3]	(169)	[3]
Transfers out of Level 3	(51)	[4]	(26)	[4]	(89)	[4]	(344)	[4]
Transfers Into Level 3	137	[4]	7	[4]	350	[4]	18	[4]
Ending Balance	2,961		2,331		2,961		2,331
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	25	[5]	43	[5]	(393)	[5]	(10)	[5]
Net derivatives [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	(7)		44		14		65
Total Gains or (Losses) (Realized/Unrealized) Included in Net Income (Loss)	(89)		8		(129)		15
Total Gains or (Losses) (Realized/Unrealized) Included in Other Comprehensive Income (Loss)	0	[1]	0	[1]	0	[1]	0	[1]
Purchases	0	[2]	0	[2]	0	[2]	0	[2]
Sales	0	[2]	0	[2]	0	[2]	0	[2]
Issues	0	[3]	(3)	[3]	0	[3]	6	[3]
Settlements	31	[3]	25	[3]	54	[3]	0	[3]
Transfers out of Level 3	16	[4]	0	[4]	16	[4]	0	[4]
Transfers Into Level 3	0	[4]	0	[4]	(4)	[4]	0	[4]
Ending Balance	(49)		74		(49)		74
Net Unrealized Gains (Losses) Included in Net Income (Loss) Related to Assets Still Held	(44)	[5]	19	[5]	(61)	[5]	33	[5]
Long-term debt [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	(1,460)		(1,349)		(1,528)		(1,171)
Total Gains (Losses) (Realized/Unrealized) Included in Net Loss	(20)		(64)		(57)		(66)
Total Gains or (Losses) Included in Other Comprehensive Income (Loss)	0	[1]	0	[1]	0	[1]	0	[1]
Purchases	0	[2]	0	[2]	0	[2]	0	[2]
Sales	0	[2]	0	[2]	0	[2]	0	[2]
Issues	(5)	[3]	(218)	[3]	(20)	[3]	(485)	[3]
Settlements	56	[3]	50	[3]	105	[3]	78	[3]
Transfers out of Level 3	57	[4]	0	[4]	170	[4]	110	[4]
Transfers Into Level 3	(42)	[4]	(150)	[4]	(84)	[4]	(197)	[4]
Ending Balance	(1,414)		(1,731)		(1,414)		(1,731)
Net Unrealized Gain (Loss) Included in Net Loss Related to Liabilities Still Held	(23)	[5]	(64)	[5]	308	[5]	(8)	[5]
Long-term debt [Member] | Consolidated Trusts [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	(1,077)		(950)		(1,128)		(765)
Total Gains (Losses) (Realized/Unrealized) Included in Net Loss	(66)		(51)		(120)		(60)
Total Gains or (Losses) Included in Other Comprehensive Income (Loss)	0	[1]	0	[1]	0	[1]	0	[1]
Purchases	0	[2]	0	[2]	0	[2]	0	[2]
Sales	0	[2]	0	[2]	0	[2]	0	[2]
Issues	(5)	[3]	(218)	[3]	(20)	[3]	(485)	[3]
Settlements	56	[3]	50	[3]	105	[3]	78	[3]
Transfers out of Level 3	57	[4]	0	[4]	170	[4]	110	[4]
Transfers Into Level 3	(42)	[4]	(150)	[4]	(84)	[4]	(197)	[4]
Ending Balance	(1,077)		(1,319)		(1,077)		(1,319)
Net Unrealized Gain (Loss) Included in Net Loss Related to Liabilities Still Held	(69)	[5]	(51)	[5]	245	[5]	(2)	[5]
Long-term debt [Member] | Senior Floating [Member] | Fannie Mae [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	(383)		(399)		(400)		(406)
Total Gains (Losses) (Realized/Unrealized) Included in Net Loss	46		(13)		63		(6)
Total Gains or (Losses) Included in Other Comprehensive Income (Loss)	0	[1]	0	[1]	0	[1]	0	[1]
Purchases	0	[2]	0	[2]	0	[2]	0	[2]
Sales	0	[2]	0	[2]	0	[2]	0	[2]
Issues	0	[3]	0	[3]	0	[3]	0	[3]
Settlements	0	[3]	0	[3]	0	[3]	0	[3]
Transfers out of Level 3	0	[4]	0	[4]	0	[4]	0	[4]
Transfers Into Level 3	0	[4]	0	[4]	0	[4]	0	[4]
Ending Balance	(337)		(412)		(337)		(412)
Net Unrealized Gain (Loss) Included in Net Loss Related to Liabilities Still Held	$ 46	[5]	$ (13)	[5]	$ 63	[5]	$ (6)	[5]

[1] (Losses) gains included in other comprehensive income are included in “Changes in unrealized gains on available-for-sale securities, net of reclassification adjustments and taxes” in the condensed consolidated statements of operations and comprehensive income.

[2] Purchases and sales include activity related to the consolidation and deconsolidation of assets of securitization trusts.

[3] Issues and settlements include activity related to the consolidation and deconsolidation of liabilities of securitization trusts.

[4] Transfers out of Level 3 consisted primarily of Fannie Mae MBS and private-label mortgage-related securities backed by Alt-A loans. Prices for these securities were obtained from multiple third-party vendors supported by market observable inputs. Transfers into Level 3 consisted primarily of private-label mortgage-related securities backed by Alt-A loans. Prices for these securities are based on inputs from a single source or inputs that were not readily observable.

[5] Amount represents temporary changes in fair value. Amortization, accretion and other-than-temporary impairments are not considered unrealized and are not included in this amount.