Securities Available for Sale (Tables)

					At June 30, 2012
					Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Other-than-Temporary Impairment		Fair Value
				(dollars in millions)
Debt securities available for sale:
	U.S. government and agency securities:
		U.S. Treasury securities		$	11,415	$	142	$	—	$	—	$	11,557
		U.S. agency securities			15,450		112		6		—		15,556
			Total U.S. government and agency securities		26,865		254		6		—		27,113
	Corporate and other debt:
		Auto loan asset-backed securities			914		2		—		—		916
		Corporate bonds			1,467		5		1		—		1,471
		FFELP student loan asset-backed securities(1)			1,928		9		—		—		1,937
			Total Corporate and other debt		4,309		16		1		—		4,324
Total debt securities available for sale					31,174		270		7		—		31,437
Equity securities available for sale					15		—		10		—		5
Total				$	31,189	$	270	$	17	$	—	$	31,442


(1)	Amounts are backed by a guarantee from the U.S. Department of Education of at least 95% of the principal balance and interest on such loans.


					At December 31, 2011
					Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Other-than-Temporary Impairment		Fair Value
				(dollars in millions)
Debt securities available for sale:
	U.S. government and agency securities:
		U.S. Treasury securities		$	13,240	$	182	$	—	$	—	$	13,422
		U.S. agency securities			16,083		54		20		—		16,117
	Corporate and other debt(1)				944		—		3		—		941
Total debt securities available for sale					30,267		236		23		—		30,480
Equity securities available for sale					15		—		—		—		15
Total				$	30,282	$	236	$	23	$	—	$	30,495


(1)	Amounts represent FFELP student loan asset-backed securities, in which the loans are backed by a guarantee from the U.S. Department of Education of
	at least 95% of the principal balance and interest on such loans.

					Less than 12 Months				12 Months or Longer				Total
At June 30, 2012					Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
				(dollars in millions)
Debt securities available for sale:
	U.S. government and agency securities:
		U.S. agency securities		$	2,238	$	4	$	525	$	2	$	2,763	$	6
			Total U.S. government and agency securities		2,238		4		525		2		2,763		6
	Corporate and other debt:
		Corporate bonds			522		1		—		—		522		1
			Total Corporate and other debt		522		1		—		—		522		1
Total debt securities available for sale					2,760		5		525		2		3,285		7
Equity securities available for sale					5		10		—		—		5		10
Total				$	2,765	$	15	$	525	$	2	$	3,290	$	17

					Less than 12 Months				12 Months or Longer				Total
At December 31, 2011					Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
				(dollars in millions)
Debt securities available for sale:
	U.S. government and agency securities:
		U.S. agency securities		$	6,250	$	15	$	1,492	$	5	$	7,742	$	20
	Corporate and other debt				679		3		—		—		679		3
Total				$	6,929	$	18	$	1,492	$	5	$	8,421	$	23

At June 30, 2012				Amortized Cost		Fair Value	Annualized Average Yield
			(dollars in millions)
U.S. government and agency securities:
	U.S. Treasury securities:
		Due within 1 year	$	1,151	$	1,160	1.4%
		After 1 year but through 5 years		9,691		9,807	0.9%
		After 5 years		572		589	1.4%
		Total		11,414		11,556
	U.S. agency securities:
		After 5 years		15,450		15,556
		Total		15,450		15,556	1.1%
		Total U.S. government and agency securities		26,864		27,112	1.0%

Corporate and other debt:
	Auto loan asset-backed securities:
		After 1 year but through 5 years		895		897	0.8%
		After 5 years		19		19	1.0%
		Total		914		916
	Corporate bonds:
		Due within 1 year		81		81	0.6%
		After 1 year but through 5 years		1,366		1,370	1.1%
		After 5 years		21		21	1.7%
		Total		1,468		1,472
	FFELP student loan asset-backed securities:
		After 1 year but through 5 years		23		23	0.8%
		After 5 years		1,905		1,914	1.2%
		Total		1,928		1,937
		Total Corporate and other debt		4,310		4,325	1.1%

		Total debt securities available for sale	$	31,174	$	31,437	1.0%

		Three Months Ended				Six Months Ended
		June 30,				June 30,
		2012		2011		2012		2011
		(dollars in millions)
Gross realized gains	$	24	$	84	$	25	$	96

Gross realized losses	$	2	$	2	$	2	$	2

Proceeds of sales of securities available for sale	$	—	$	7,021	$	—	$	13,142