Note 5 - Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three months ended March 31,
	2015		2014
Net income attributable to Corning Incorporated	$	407	$	301
Less:  Series A convertible preferred stock dividend		(24)		(21)
Net income available to common stockholders - basic		383		280
Plus:  Series A convertible preferred stock dividend		24
Net income available to common stockholders - diluted	$	407	$	280
Weighted-average common shares outstanding - basic		1,266		1,359
Effect of dilutive securities:
Stock options and other dilutive securities		13		11
Series A convertible preferred stock dividend		115
Weighted-average common shares outstanding - diluted		1,394		1,370
Basic earnings per common share	$	0.30	$	0.21
Diluted earnings per common share	$	0.29	$	0.20
Antidilutive potential shares excluded from diluted earnings per common share:
Series A convertible preferred stock				97
Employee stock options and awards		14		29
Accelerated share repurchase forward contract				12
Total		14		138