Earnings (Loss) Per Common Share (Tables)

12 Months Ended

Dec. 31, 2018

Earnings (Loss) Per Common Share [Abstract]

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

	Years ended December 31,
	2018		2017		2016
Net income (loss) attributable to Corning Incorporated	$	1,066	$	(497)	$	3,695
Less:  Series A convertible preferred stock dividend		98		98		98
Net income (loss) available to common stockholders - basic		968		(595)		3,597
Plus:  Series A convertible preferred stock dividend		98				98
Net income (loss) available to common stockholders - diluted	$	1,066	$	(595)	$	3,695
Weighted-average common shares outstanding - basic		816		895		1,020
Effect of dilutive securities:
Stock options and other dilutive securities		10				9
Series A convertible preferred stock(1)		115				115
Weighted-average common shares outstanding - diluted		941		895		1,144
Basic earnings (loss) per common share	$	1.19	$	(0.66)	$	3.53
Diluted earnings (loss) per common share	$	1.13	$	(0.66)	$	3.23
Anti-dilutive potential shares excluded from diluted   earnings (loss) per common share:
Series A convertible preferred stock dividend(1)				115
Employee stock options and awards		2		13		15
Accelerated share repurchase forward contract
Total		2		128		15