Securities (Tables)

6 Months Ended

Jun. 30, 2012

Securities [Abstract]

Details of Securities

		June 30, 2012
in millions		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
SECURITIES AVAILABLE FOR SALE
States and political subdivisions	$		53	$	3		—	$	56
Collateralized mortgage obligations			12,098		379		—		12,477
Other mortgage-backed securities			597		55		—		652
Other securities			20		1	$	1		20
Total securities available for sale	$		12,768	$	438	$	1	$	13,205
HELD-TO-MATURITY SECURITIES
Collateralized mortgage obligations	$		4,334	$	44		—	$	4,378
Other securities			18		—		—		18
Total held-to-maturity securities	$		4,352	$	44		—	$	4,396
		December 31, 2011
in millions		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
SECURITIES AVAILABLE FOR SALE
States and political subdivisions	$		60	$	3		—	$	63
Collateralized mortgage obligations			14,707		455		—		15,162
Other mortgage-backed securities			715		63		—		778
Other securities			8		1		—		9
Total securities available for sale	$		15,490	$	522		—	$	16,012
HELD-TO-MATURITY SECURITIES
Collateralized mortgage obligations	$		2,091	$	24		—	$	2,115
Other securities			18		—		—		18
Total held-to-maturity securities	$		2,109	$	24		—	$	2,133
		June 30, 2011
in millions		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
SECURITIES AVAILABLE FOR SALE
U.S. Treasury, agencies and corporations	$		9		—		—	$	9
States and political subdivisions			126	$	3		—		129
Collateralized mortgage obligations			17,124		485		—		17,609
Other mortgage-backed securities			845		72		—		917
Other securities			13		3		—		16
Total securities available for sale	$		18,117	$	563		—	$	18,680
HELD-TO-MATURITY SECURITIES
States and political subdivisions	$		1		—		—	$	1
Other securities			18		—		—		18
Total held-to-maturity securities	$		19		—		—	$	19

Available for Sale Securities (Unrealized Loss Position)

	Duration of Unrealized Loss Position
	Less than 12 Months				12 Months or Longer				Total
in millions	Fair Value		Gross   Unrealized   Losses		Fair Value		Gross   Unrealized   Losses		Fair Value		Gross Unrealized Losses
June 30, 2012
Securities available for sale:
Collateralized mortgage obligations	$	1		—		—		—	$	1		—
Other securities		12	$	1		—		—		12	$	1
Held-to-maturity:
Collateralized mortgage obligations		200		—		—		—		200		—
Total temporarily impaired securities	$	213	$	1		—		—	$	213	$	1
December 31, 2011
Securities available for sale:
Collateralized mortgage obligations	$	1		—		—		—	$	1		—
Other securities		3		—		—		—		3		—
Total temporarily impaired securities	$	4		—		—		—	$	4		—
June 30, 2011
Securities available for sale:
Collateralized mortgage obligations	$	126		—		—		—	$	126		—
Total temporarily impaired securities	$	126		—		—		—	$	126		—

Cumulative Credit Portion of Impairments on Debt Securities

in millions
Balance at March 31, 2012	$	4
Impairment recognized in earnings		—
Balance at June 30, 2012	$	4

Available for Sale Securities Realized Gains and Losses

in millions
Realized gains	—
Realized losses	—
Net securities gains (losses)	—

Securities by Maturity

	Securities         Available for Sale				Held-to-Maturity          Securities
June 30, 2012 in millions	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due in one year or less	$	950	$	966	$	5	$	5
Due after one through five years		11,748		12,163		4,347		4,391
Due after five through ten years		66		72		—		—
Due after ten years		4		4		—		—
Total	$	12,768	$	13,205	$	4,352	$	4,396