Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2019

Earnings Per Common Share [Abstract]

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

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2019		2018		2019		2018
Net income attributable to Corning Incorporated	$	92	$	738	$	591	$	149
Less: Series A convertible preferred stock dividend		24		24		49		49
Net income available to common stockholders – basic		68		714		542		100
Plus: Series A convertible preferred stock dividend				24		49
Net income available to common stockholders – diluted	$	68	$	738	$	591	$	100
Weighted-average common shares outstanding – basic		781		819		782		833
Effect of dilutive securities:
Employee stock options and other dilutive securities		8		9		9		10
Series A convertible preferred stock				115		115
Weighted-average common shares outstanding – diluted		789		943		906		843
Basic earnings per common share	$	0.09	$	0.87	$	0.69	$	0.12
Diluted earnings per common share	$	0.09	$	0.78	$	0.65	$	0.12
Antidilutive potential shares excluded from ‎  diluted earnings per common share:
Series A convertible preferred stock (1)		115						115
Employee stock options and awards		2		2		2		2
Total		117		2		2		117

(1)For the quarter ended June 30, 2019, and the six months ended June 30, 2018, the Series A convertible preferred stock was anti-dilutive and therefore was excluded from the calculation of diluted earnings per share