Net Income/(Loss) Per Common Share (Tables)

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Reconciliation of Net Income/(Loss) to Net Income/(Loss) Available to Common Shareholders

	Three Months Ended September 30						Nine Months Ended September 30
(Dollars and shares in millions, except per share data)	2015			2014			2015			2014
Net income		$537			$576			$1,449			$1,380
Preferred dividends	(16		)	(9		)	(48		)	(28		)
Dividends and undistributed earnings allocated to unvested shares	(2		)	(4		)	(5		)	(9		)
Net income available to common shareholders		$519			$563			$1,396			$1,343
Average basic common shares	513			527			517			529
Effect of dilutive securities:
Stock options	2			2			2			2
Restricted stock, RSUs, and warrants	4			4			4			4
Average diluted common shares	519			533			523			535
Net income per average common share - diluted		$1.00			$1.06			$2.67			$2.51
Net income per average common share - basic		$1.01			$1.07			$2.70			$2.54