Reinsurance Arrangements and Guarantees (Tables)

12 Months Ended

Dec. 31, 2012

Guarantees [Abstract]

Schedule Of Remaining Outstanding Balance Of Loans Sold [Table Text Block]

	Remaining Outstanding Balance by Year of Sale
(Dollars in billions)	2005		2006		2007		2008		2009		2010		2011		2012		Total
GSE1		$3.1		$3.6		$7.0		$6.8		$16.4		$10.1		$10.7		$20.1		$77.8
Ginnie Mae1	0.6		0.4		0.4		1.9		4.2		3.2		2.5		4.3		17.5
Non-agency	3.6		5.3		3.9		—		—		—		—		—		12.8
Total		$7.3		$9.3		$11.3		$8.7		$20.6		$13.3		$13.2		$24.4		$108.1

¹ Balances based on loans serviced by the Company.

Mortgage Loan Repurchase Losses

	Year Ended December 31
(Dollars in millions)	2012			2011			2010
Balance at beginning of period		$320			$265			$200
Repurchase provision	713			502			456
Charge-offs	(401		)	(447		)	(391		)
Balance at end of period		$632			$320			$265