Earnings (Loss) Per Common Share (Tables)

3 Months Ended

Mar. 31, 2019

Earnings (Loss) Per Common Share [Abstract]

Computation of Basic and Diluted Earnings (Loss) per Common Share



	Three Months Ended
	March 31,
	2019		2018
Net income (loss) attributable to Corning Incorporated	$	499	$	(589)
Less: Series A convertible preferred stock dividend		24		24
Net income (loss) available to common stockholders – basic		475		(613)
Plus: Series A convertible preferred stock dividend		24
Net income (loss) available to common stockholders – diluted	$	499	$	(613)

Weighted-average common shares outstanding – basic		784		848
Effect of dilutive securities:
Employee stock options and other dilutive securities		9
Series A convertible preferred stock		115
Weighted-average common shares outstanding – diluted		908		848
Basic earnings (loss) per common share	$	0.61	$	(0.72)
Diluted earnings (loss) per common share	$	0.55	$	(0.72)

Antidilutive potential shares excluded from diluted earnings per common share:
Series A convertible preferred stock (1)				115
Employee stock options and awards				11
Total				126

For the quarter ended March 31, 2018 the Series A preferred stock was anti-dilutive and therefore excluded from the calculation of diluted loss per share