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Note 4 - Significant Customers	12 Months Ended
	Dec. 31, 2015
Significant Customers [Abstract]
Significant Customers [Text Block]	4.      Significant Customers For 2015, Corning’s sales to Samsung Display Co. Ltd., a customer of our Display Technologies and Specialty Materials segments, represented 11% of the Company’s consolidated net sales.  For 2014, Corning’s sales to Samsung Display Co. Ltd., a customer of our Display Technologies segment, represented 14% of the Company’s consolidated net sales.  In 2013, Corning’s sales to AU Optronics Corporation, a customer of our Display Technologies segment, represented 10% of the Company’s consolidated net sales.

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The entire disclosure related to significant customers.

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