Earnings per Common Share (Tables)

6 Months Ended

Jun. 30, 2017

Earnings per Common Share [Abstract]

Computation of Basic and Diluted Earnings per Common Share

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
Net income attributable to Corning Incorporated	$	439	$	2,207	$	525	$	1,839
Less:  Series A convertible preferred stock dividend		24		24		49		49
Net income available to common stockholders – basic		415		2,183		476		1,790
Plus:  Series A convertible preferred stock dividend		24		24		49		49
Net income available to common stockholders – diluted	$	439	$	2,207	$	525	$	1,839
Weighted-average common shares outstanding – basic		908		1,059		917		1,081
Effect of dilutive securities:
Stock options and other dilutive securities		11		8		11		8
Series A convertible preferred stock		115		115		115		115
Weighted-average common shares outstanding – diluted		1,034		1,182		1,043		1,204
Basic earnings per common share	$	0.46	$	2.06	$	0.52	$	1.66
Diluted earnings per common share	$	0.42	$	1.87	$	0.50	$	1.53
Antidilutive potential shares excluded from   diluted earnings per common share:
Employee stock options and awards				20		2		21
Total				20		2		21