Earnings per Common Share

9 Months Ended

Sep. 30, 2018

Earnings per Common Share [Abstract]

Earnings per Common Share

6.   Earnings per Common Share

The following table sets forth the computation of basic and diluted earnings per common share (in millions, except per share amounts):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2018		2017		2018		2017
Net income attributable to Corning Incorporated	$	625	$	390	$	774	$	915
Less:  Series A convertible preferred stock dividend		24		24		73		73
Net income available to common stockholders – basic		601		366		701		842
Plus:  Series A convertible preferred stock dividend		24		24		73		73
Net income available to common stockholders – diluted	$	625	$	390	$	774	$	915
Weighted-average common shares outstanding – basic		805		883		824		905
Effect of dilutive securities:
Employee stock options and other dilutive securities		10		11		9		11
Series A convertible preferred stock		115		115		115		115
Weighted-average common shares outstanding – diluted		930		1,009		948		1,031
Basic earnings per common share	$	0.75	$	0.41	$	0.85	$	0.93
Diluted earnings per common share	$	0.67	$	0.39	$	0.82	$	0.89
Antidilutive potential shares excluded from   diluted earnings per common share:
Employee stock options and awards		1		1		2		2
Total		1		1		2		2