Certain Transfers of Financial Assets and Variable Interest Entities (Tables)

12 Months Ended

Dec. 31, 2011

Certain Transfers of Financial Assets and Variable Interest Entities [Abstract]

Asset Transfers in Which the Company has Continuing Economic Involvement

	Year Ended December 31, 2011
(Dollars in millions)	Residential Mortgage Loans		Commercial and Corporate Loans		Student Loans		CDO Securities		Total
Cash flows on interests held		$48		$1		$—		$2		$51
Servicing or management fees	3		10		—		—		13
	Year Ended December 31, 2010
(Dollars in millions)	Residential Mortgage Loans		Commercial and Corporate Loans		Student Loans		CDO Securities		Total
Cash flows on interests held		$66		$4		$8		$2		$80
Servicing or management fees	4		12		1		—		17
	Year Ended December 31, 2009
(Dollars in millions)	Residential Mortgage Loans		Commercial and Corporate Loans		Student Loans		CDO Securities		Total
Cash flows on interests held		$94		$2		$7		$3		$106
Servicing or management fees	5		11		1		—		17

Portfolio Balances and Delinquency Balances Based on 90 Days or More Past Due and Net Charge-offs Related to Managed Portfolio Loans

(Dollars in millions)	Principal Balance				Past Due						Net Charge-offs
	2011		2010		2011			2010			Year Ended December 31
											2011		2010
Type of loan:
Commercial		$55,872		$53,488		$938			$1,904			$663		$988
Residential	46,660		46,521		3,079			3,122			1,257		1,716
Consumer	19,963		15,966		914			649			120		151
Total loan portfolio	122,495		115,975		4,931			5,675			2,040		2,855
Managed securitized loans:
Commercial	1,978		2,244		43			44			—		22
Residential	114,342		120,429		3,310		1	3,497		1	50		46
Total managed loans		$238,815		$238,648		$8,284			$9,216			$2,090		$2,923

¹Excludes loans that have completed the foreclosure or short sale process (i.e., involuntary prepayments).