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Significant Customers	12 Months Ended
Significant Customers	Dec. 31, 2011
Significant Customers [Abstract]
Significant Customers	4. Significant Customers For 2011 and 2010, Corning's sales to Sharp Electronics Corporation, a customer of our Display Technologies segment, represented 10% and 12% of the Company's consolidated net sales, respectively. For 2010 and 2009, Corning's sales to AU Optronics Corporation, a customer of our Display Technologies segment, represented 11% and 13%, respectively, of the Company's consolidated net sales.