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Securities (Tables)

12 Months Ended

Dec. 31, 2011

Securities (Tables) [Abstract]

Details of Securities


		2011																2010
December 31, in millions		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value				Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
SECURITIES AVAILABLE FOR SALE
U.S. Treasury, agencies and corporations			—				—				—				—			$	8				—				—			$	8
States and political subdivisions		$	60			$	3				—			$	63				170			$	2				—				172
Collateralized mortgage obligations			14,707				455				—				15,162				20,344				408			$	87				20,665
Other mortgage-backed securities			715				63				—				778				998				71				—				1,069
Other securities			8				1				—				9				15				4				—				19
Total securities available for sale		$	15,490			$	522				—			$	16,012			$	21,535			$	485			$	87			$	21,933


HELD-TO-MATURITY SECURITIES
States and political subdivisions			—				—				—				—			$	1				—				—			$	1
Collateralized mortgage obligations		$	2,091			$	24				—			$	2,115				—				—				—				—
Other securities			18				—				—				18				16				—				—				16
Total held-to-maturity securities		$	2,109			$	24				—			$	2,133			$	17				—				—			$	17

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
December 31, 2011
Securities available for sale:
Collateralized mortgage obligations		$	1				—				—				—			$	1				—
Other securities			3				—				—				—				3				—
Total temporarily impaired securities		$	4				—				—				—			$	4				—


December 31, 2010
Securities available for sale:
Collateralized mortgage obligations		$	4,028			$	87				—				—			$	4,028			$	87
Total temporarily impaired securities		$	4,028			$	87				—				—			$	4,028			$	87

Cumulative Credit Portion of Impairments on Debt Securities


Three months ended December 31, 2011

in millions
Balance at September 30, 2011		$	4
Impairment recognized in earnings			—
Balance at December 31, 2011		$	4

Available for Sale Securities Realized Gains and Losses


Year ended December 31,

in millions		2011				2010				2009
Realized gains		$	23			$	19			$	129
Realized losses			22				5				16
Net securities gains (losses)		$	1			$	14			$	113

Securities by Maturity


		Securities Available for Sale								Held-to-Maturity Securities
December 31, 2011 in millions		Amortized Cost				Fair Value				Amortized Cost				Fair Value
Due in one year or less		$	649			$	663			$	9			$	9
Due after one through five years			14,761				15,263				2,100				2,124
Due after five through ten years			71				76				—				—
Due after ten years			9				10				—				—
Total		$	15,490			$	16,012			$	2,109			$	2,133

This item represents the entire disclosure related to Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as Available-for-sale.

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