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

6 Months Ended

Jun. 30, 2016

Earnings Per Share [Abstract]

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

	Three Months Ended June 30						Six Months Ended June 30
(Dollars and shares in millions, except per share data)	2016			2015			2016			2015
Net income		$492			$483			$939			$912
Preferred dividends	(17		)	(15		)	(33		)	(32		)
Dividends and undistributed earnings allocated to unvested shares	—			(1		)	—			(3		)
Net income available to common shareholders		$475			$467			$906			$877
Average basic common shares	501			517			503			519
Effect of dilutive securities:
Stock options	2			1			2			2
Restricted stock, RSUs, and warrants	3			4			3			4
Average diluted common shares	506			522			508			525
Net income per average common share - diluted		$0.94			$0.89			$1.78			$1.67
Net income per average common share - basic	0.95			0.90			1.80			1.69