Net Income Per Common Share (Tables)

3 Months Ended

Mar. 31, 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 March 31
(Dollars and shares in millions, except per share data)	2017			2016
Net income		$468			$447
Preferred dividends	(17		)	(17		)
Dividends and undistributed earnings allocated to unvested shares	—			—
Net income available to common shareholders		$451			$430
Average basic common shares	490			505
Effect of dilutive securities:
Stock options	1			2
Restricted stock, RSUs, and warrants	5			3
Average diluted common shares	496			510
Net income per average common share - diluted		$0.91			$0.84
Net income per average common share - basic	0.92			0.85