(Loss) Earnings per Common Share

3 Months Ended

Mar. 31, 2018

(Loss) Earnings per Common Share [Abstract]

(Loss) Earnings per Common Share

6.   (Loss) Earnings per Common Share

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

	Three Months Ended
	March 31,
	2018		2017
Net (loss) income attributable to Corning Incorporated	$	(589)	$	86
Less:  Series A convertible preferred stock dividend		24		24
Net (loss) income available to common stockholders – basic		(613)		62
Net (loss) income available to common stockholders – diluted	$	(613)	$	62
Weighted-average common shares outstanding – basic		848		925
Effect of dilutive securities:
Stock options and other dilutive securities				11
Weighted-average common shares outstanding – diluted		848		936
Basic (loss) earnings per common share	$	(0.72)	$	0.07
Diluted (loss) earnings per common share	$	(0.72)	$	0.07
Antidilutive potential shares excluded from   diluted earnings per common share:
Series A convertible preferred stock (1)		115		115
Employee stock options and awards		11		2
Total		126		117

(1) In the three months ended March 31, 2018 and 2017, the Series A convertible preferred stock was anti-dilutive and therefore was excluded from the calculation of diluted earnings per share.