Note 5 - Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

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

	Three months ended June 30,				Six months ended June 30,
	2015		2014		2015		2014
Net income attributable to Corning Incorporated	$	496	$	169	$	903	$	470
Less:  Series A convertible preferred stock dividend		24		24		49		45
Net income available to common stockholders - basic		472		145		854		425
Plus:  Series A convertible preferred stock dividend		24				49
Net income available to common stockholders - diluted	$	496	$	145	$	903	$	425
Weighted-average common shares outstanding - basic		1,246		1,302		1,257		1,331
Effect of dilutive securities:
Stock options and other dilutive securities		10		13		11		12
Series A convertible preferred stock		115				115
Weighted-average common shares outstanding - diluted		1,371		1,315		1,383		1,343
Basic earnings per common share	$	0.38	$	0.11	$	0.68	$	0.32
Diluted earnings per common share	$	0.36	$	0.11	$	0.65	$	0.32
Antidilutive potential shares excluded from diluted earnings per common share:
Series A convertible preferred stock				115				106
Employee stock options and awards		20		20		17		24
Accelerated share repurchase forward contract								6
Total		20		135		17		136