Securities Available for Sale (Tables)

3 Months Ended

Mar. 31, 2015

Investments, Debt and Equity Securities [Abstract]



	March 31, 2015
(Dollars in millions)	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
U.S. Treasury securities		$2,110		$35		$—		$2,145
Federal agency securities	461		16		1		476
U.S. states and political subdivisions	183		9		—		192
MBS - agency	22,366		614		28		22,952
MBS - private	118		2		1		119
ABS	19		2		—		21
Corporate and other debt securities	37		2		—		39
Other equity securities ¹	815		2		—		817
Total securities AFS		$26,109		$682		$30		$26,761

	December 31, 2014
(Dollars in millions)	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
U.S. Treasury securities		$1,913		$9		$1		$1,921
Federal agency securities	471		15		2		484
U.S. states and political subdivisions	200		9		—		209
MBS - agency	22,573		558		83		23,048
MBS - private	122		2		1		123
ABS	19		2		—		21
Corporate and other debt securities	38		3		—		41
Other equity securities ¹	921		2		—		923
Total securities AFS		$26,257		$600		$87		$26,770

¹At March 31, 2015, the fair value of other equity securities was comprised of the following: $207 million in FHLB of Atlanta stock, $402 million in Federal Reserve Bank of Atlanta stock, $201 million in mutual fund investments, and $7 million of other. At December 31, 2014, other equity securities was comprised of the following: $376 million in FHLB of Atlanta stock, $402 million in Federal Reserve Bank of Atlanta stock, $138 million in mutual fund investments, and $7 million of other.

Investment Income [Table Text Block]



	Three Months Ended March 31
(Dollars in millions)	2015		2014
Taxable interest		$128		$141
Tax-exempt interest	2		3
Dividends	10		9
Total interest and dividends		$140		$153

Amortized Cost and Fair Value of Investments in Debt Securities by Estimated Average Life



	Distribution of Maturities
(Dollars in millions)	1 Year or Less			1-5 Years			5-10 Years			After 10 Years			Total
Amortized Cost:
U.S. Treasury securities		$200			$1,315			$595			$—			$2,110
Federal agency securities	87			205			36			133			461
U.S. states and political subdivisions	38			27			102			16			183
MBS - agency	2,524			12,008			4,168			3,666			22,366
MBS - private	—			118			—			—			118
ABS	15			3			1			—			19
Corporate and other debt securities	5			32			—			—			37
Total debt securities		$2,869			$13,708			$4,902			$3,815			$25,294
Fair Value:
U.S. Treasury securities		$203			$1,335			$607			$—			$2,145
Federal agency securities	88			215			38			135			476
U.S. states and political subdivisions	38			28			109			17			192
MBS - agency	2,679			12,343			4,249			3,681			22,952
MBS - private	—			119			—			—			119
ABS	14			5			2			—			21
Corporate and other debt securities	5			34			—			—			39
Total debt securities		$3,027			$14,079			$5,005			$3,833			$25,944
Weighted average yield ¹	1.67		%	2.26		%	2.69		%	2.81		%	2.43		%

¹Average yields are based on amortized cost and presented on an FTE basis.

Securities in a Continuous Unrealized Loss Position



	March 31, 2015
	Less than twelve months				Twelve months or longer				Total
(Dollars in millions)	Fair Value		Unrealized Losses ²		Fair Value		Unrealized Losses ²		Fair Value		Unrealized Losses ²
Temporarily impaired securities:
Federal agency securities		$47		$—		$52		$1		$99		$1
MBS - agency	2,339		9		1,175		19		3,514		28
ABS	—		—		14		—		14		—
Total temporarily impaired securities	2,386		9		1,241		20		3,627		29
OTTI securities ¹:
MBS - private	67		1		—		—		67		1
Total OTTI securities	67		1		—		—		67		1
Total impaired securities		$2,453		$10		$1,241		$20		$3,694		$30



	December 31, 2014
	Less than twelve months				Twelve months or longer				Total
(Dollars in millions)	Fair Value		Unrealized Losses ²		Fair Value		Unrealized Losses ²		Fair Value		Unrealized Losses ²
Temporarily impaired securities:
U.S. Treasury securities		$150		$1		$—		$—		$150		$1
Federal agency securities	20		—		132		2		152		2
MBS - agency	2,347		6		4,911		77		7,258		83
ABS	—		—		14		—		14		—
Total temporarily impaired securities	2,517		7		5,057		79		7,574		86
OTTI securities ¹:
MBS - private	69		1		—		—		69		1
Total OTTI securities	69		1		—		—		69		1
Total impaired securities		$2,586		$8		$5,057		$79		$7,643		$87

¹Includes OTTI securities for which credit losses have been recorded in earnings in current or prior periods.

²Unrealized losses less than $0.5 million are shown as zero.

Gross Realized Gains and Losses on Sales and OTTI on Securities AFS



	Three Months Ended March 31
(Dollars in millions)	2015		2014
Gross realized gains		$—		$—
Gross realized losses	—		(1		)
OTTI losses recognized in earnings	—		—
Net securities (losses)/gains		$—		($1	)

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

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- Definition

Tabular disclosure of investment income, including, but not limited to, interest and dividend income and amortization of discount (premium) derived from debt and equity securities. Excludes realized and unrealized gain (loss) on investments.

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