Consolidations and Transfers of Financial Assets (Tables)

12 Months Ended

Dec. 31, 2012

Consolidations and Transfers of Financial Assets [Abstract]

Unconsolidated Variable Interest Entities [Table Text Block]

The following table displays the carrying amount and classification of our assets and liabilities that relate to our involvement with unconsolidated VIEs as of December 31, 2012 and 2011, as well as our maximum exposure to loss and the total assets of those unconsolidated VIEs.

				As of December 31, 2012
				Mortgage-Backed Trusts			Limited Partnership Investments
				(Dollars in millions)
Assets and liabilities recorded in our consolidated balance sheets:
Assets:
Available-for-sale securities(1)				$	57,004			$	—
Trading securities(1)				22,706				—
Other assets				145				120
Other liabilities				(1,449		)		(124		)
Net carrying amount				$	78,406			$	(4	)
Maximum exposure to loss(1)				$	87,397			$	118
Total assets of unconsolidated VIEs(1)				$	645,332			$	11,675
	As of December 31, 2011
	Mortgage-Backed Trusts			Asset-Backed Trusts			Limited Partnership Investments
	(Dollars in millions)
Assets and liabilities recorded in our consolidated balance sheets:
Assets:
Available-for-sale securities (1)	$	69,101		$	—			$	—
Trading securities (1)	24,292			2,111				—
Other assets	271			—				145
Other liabilities	(1,347		)	—				(153		)
Net carrying amount	$	92,317		$	2,111			$	(8	)
Maximum exposure to loss (1)	$	100,146		$	2,111			$	137
Total assets of unconsolidated VIEs (1)	$	641,346		$	256,845			$	12,256

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⁽¹⁾  Contains securities recognized in our consolidated balance sheets due to consolidation of certain multi-class resecuritization trusts.

Key Characteristics of the Securities Retained in Unconsolidated Portfolio Securitization Trusts [Table Text Block]

The following table displays some key characteristics of the securities retained in unconsolidated portfolio securitization trusts as of December 31, 2012 and 2011.

	Fannie Mae Single-class MBS & Fannie Mae Megas			REMICS & SMBS
	(Dollars in millions)
As of December 31, 2012
Unpaid principal balance	$	456		$	8,667
Fair value	504			9,818
Weighted-average coupon	6.20		%	5.53		%
Weighted-average loan age	6.4		years	4.6		years
Weighted-average maturity	22.5		years	15.0		years
As of December 31, 2011
Unpaid principal balance	$	588		$	12,697
Fair value	654			14,043
Weighted-average coupon	6.21		%	5.86		%
Weighted-average loan age	5.4		years	4.5		years
Weighted-average maturity	23.5		years	18.6		years

Managed Loans [Table Text Block]

The following table displays the unpaid principal balances of managed loans, including those managed loans that were delinquent as of December 31, 2012 and 2011.

	As of December 31,
	2012						2011
	Unpaid Principal Balance			Principal Amount of Delinquent Loans(1)			Unpaid Principal Balance			Principal Amount of Delinquent Loans(1)
		(Dollars in millions)
Loans held for investment:
Of Fannie Mae		$	370,354		$	102,504		$	396,276		$	122,392
Of consolidated trusts		2,607,880			17,829			2,570,339			24,893
Loans held for sale		459			135			312			57
Securitized loans		2,272			4			2,273			71
Total loans managed		$	2,980,965		$	120,472		$	2,969,200		$	147,413

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⁽¹⁾  Represents the unpaid principal balance of loans held for investment, loans held for sale and securitized loans for which we are no longer accruing interest and loans 90 days or more delinquent which are continuing to accrue interest.