Net Income Per Common Share (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

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

Reconciliations of net income to net income available to common shareholders and the difference between average basic common shares outstanding and average diluted common shares outstanding are presented in the following table.

	Three Months Ended September 30						Nine Months Ended September 30
(Dollars and shares in millions, except per share data)	2017			2016			2017			2016
Net income		$538			$474			$1,533			$1,413
Less:
Preferred stock dividends	(26		)	(17		)	(65		)	(49		)
Dividends and undistributed earnings allocated to unvested common share awards	—			—			—			(1		)
Net income available to common shareholders		$512			$457			$1,468			$1,363
Average basic common shares outstanding	478			496			484			501
Add dilutive securities:
Stock options	1			2			1			2
RSUs, warrants, and restricted stock	5			3			4			3
Average diluted common shares outstanding	484			501			489			506
Net income per average common share - diluted		$1.06			$0.91			$3.00			$2.70
Net income per average common share - basic	1.07			0.92			3.04			2.72