Securities Available for Sale (Tables)

6 Months Ended

Jun. 30, 2015

Schedule of Available-for-sale Securities [Line Items]



	June 30, 2015
(Dollars in millions)	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
U.S. Treasury securities		$2,905		$16		$8		$2,913
Federal agency securities	466		13		2		477
U.S. states and political subdivisions	178		6		—		184
MBS - agency	22,431		461		159		22,733
MBS - private	110		2		—		112
ABS	15		2		—		17
Corporate and other debt securities	35		2		—		37
Other equity securities ¹	639		1		—		640
Total securities AFS		$26,779		$503		$169		$27,113

	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

¹ At June 30, 2015, the fair value of other equity securities was comprised of the following: $174 million in FHLB of Atlanta stock, $402 million in Federal Reserve Bank of Atlanta stock, $58 million in mutual fund investments, and $6 million of other. At December 31, 2014, the fair value of 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 June 30				Six Months Ended June 30
(Dollars in millions)	2015		2014		2015		2014
Taxable interest		$126		$138		$254		$279
Tax-exempt interest	2		2		4		5
Dividends	9		9		19		18
Total interest and dividends		$137		$149		$277		$302

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			$1,717			$988			$—			$2,905
Federal agency securities	80			209			42			135			466
U.S. states and political subdivisions	42			20			101			15			178
MBS - agency	2,664			12,267			3,348			4,152			22,431
MBS - private	—			110			—			—			110
ABS	13			1			1			—			15
Corporate and other debt securities	3			32			—			—			35
Total debt securities AFS		$3,002			$14,356			$4,480			$4,302			$26,140

Fair Value:
U.S. Treasury securities		$202			$1,725			$986			$—			$2,913
Federal agency securities	80			219			44			134			477
U.S. states and political subdivisions	42			21			105			16			184
MBS - agency	2,819			12,511			3,322			4,081			22,733
MBS - private	—			112			—			—			112
ABS	13			3			1			—			17
Corporate and other debt securities	3			34			—			—			37
Total debt securities AFS		$3,159			$14,625			$4,458			$4,231			$26,473
Weighted average yield ¹	2.19		%	2.29		%	2.66		%	2.77		%	2.40		%

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

Securities in a Continuous Unrealized Loss Position



	June 30, 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 AFS:
U.S. Treasury securities		$1,034		$8		$—		$—		$1,034		$8
Federal agency securities	76		1		45		1		121		2
MBS - agency	10,172		116		1,048		43		11,220		159
ABS	—		—		11		—		11		—
Total temporarily impaired securities AFS	11,282		125		1,104		44		12,386		169
OTTI securities AFS ¹:
MBS - private	64		—		—		—		64		—
Total OTTI securities AFS	64		—		—		—		64		—
Total impaired securities AFS		$11,346		$125		$1,104		$44		$12,450		$169



	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 AFS:
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 AFS	2,517		7		5,057		79		7,574		86
OTTI securities AFS ¹:
MBS - private	69		1		—		—		69		1
Total OTTI securities AFS	69		1		—		—		69		1
Total impaired securities AFS		$2,586		$8		$5,057		$79		$7,643		$87

¹Includes OTTI securities AFS 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 June 30					Six Months Ended June 30
(Dollars in millions)	2015		2014			2015		2014
Gross realized gains		$14		$—			$14		$—
Gross realized losses	—		—			—		(1		)
OTTI losses recognized in earnings	—		(1		)	—		(1		)
Net securities (losses)/gains		$14		($1	)		$14		($2	)

- 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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