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

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

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

	Year Ended December 31
(Dollars and shares in millions, except per share data)	2015			2014			2013
Net income		$1,933			$1,774			$1,344
Preferred dividends	(64		)	(42		)	(37		)
Dividends and undistributed earnings allocated to unvested shares	(6		)	(10		)	(10		)
Net income available to common shareholders		$1,863			$1,722			$1,297
Average basic common shares	515			528			534
Effect of dilutive securities:
Stock options	2			1			1
Restricted stock, RSUs, and warrants	4			4			4
Average diluted common shares	521			533			539
Net income per average common share - diluted		$3.58			$3.23			$2.41
Net income per average common share - basic		$3.62			$3.26			$2.43