Earnings Per Common Share (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Schedule of basic and diluted earnings per common share

Basic and diluted earnings per common share for the three and nine months ended September 30, 2017 and 2016 were calculated as follows:

	Three Months Ended September 30,					Nine Months Ended September 30,
	2017			2016		2017		2016
	(Dollars in millions, except per share amounts, shares in thousands)
Income (Numerator):
Net income	$	92		152		272		584
Earnings applicable to non-vested restricted stock	—			—		—		—
Net income applicable to common stock for computing basic earnings per common share	92			152		272		584
Net income as adjusted for purposes of computing diluted earnings per common share	$	92		152		272		584
Shares (Denominator):
Weighted-average number of shares:
Outstanding during period	549,618			546,310		548,779		545,715
Non-vested restricted stock	(8,097		)	(6,504	)	(7,666	)	(6,304	)
Weighted-average shares outstanding for computing basic earnings per common share	541,521			539,806		541,113		539,411
Incremental common shares attributable to dilutive securities:
Shares issuable under convertible securities	10			10		10		10
Shares issuable under incentive compensation plans	432			1,101		756		1,072
Number of shares as adjusted for purposes of computing diluted earnings per common share	541,963			540,917		541,879		540,493
Basic earnings per common share	$	0.17		0.28		0.50		1.08
Diluted earnings per common share	$	0.17		0.28		0.50		1.08