Reinsurance Arrangements and Guarantees (Tables)

12 Months Ended

Dec. 31, 2011

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		Total
GSE1		$4.5		$5.4		$10.4		$11.1		$24.9		$14.2		$13.8		$84.3
Ginnie Mae1	0.7		0.5		0.6		2.7		5.7		4.1		3.1		17.4
Non-agency	4.0		5.8		4.6		—		—		—		—		14.4
Total		$9.2		$11.7		$15.6		$13.8		$30.6		$18.3		$16.9		$116.1

¹ Balances based on loans serviced by the Company.

Mortgage Loan Repurchase Losses

	Year Ended December 31
(Dollars in millions)	2011			2010			2009
Balance at beginning of period		$265			$200			$92
Repurchase provision	502			456			444
Charge-offs	(447		)	(391		)	(336		)
Balance at end of period		$320			$265			$200