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Supplemental Cash Flow Information (Details) (Convertible Preferred Stock, Series A [Member], Samsung Corning Precision Materials Co., Ltd. [Member], USD $)
In Millions, except Share data, unless otherwise specified
0 Months Ended 3 Months Ended
Jan. 15, 2014
Mar. 31, 2014
Supplemental Cash Flow Information (Details) [Line Items]    
Stock Issued During Period, Shares, Acquisitions 2,300us-gaap_StockIssuedDuringPeriodSharesAcquisitions 1,900us-gaap_StockIssuedDuringPeriodSharesAcquisitions
Additional Amount Issued at Closing [Member]
   
Supplemental Cash Flow Information (Details) [Line Items]    
Stock Issued During Period, Shares, New Issues   400us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_BusinessAcquisitionAxis
= glw_SamsungCorningPrecisionMaterialsCoLtdMember
/ us-gaap_StatementClassOfStockAxis
= glw_ConvertiblePreferredStockSeriesAMember
/ us-gaap_StatementScenarioAxis
= glw_AdditionalAmountIssuedAtClosingMember
Stock Issued During Period, Value, New Issues (in Dollars)   400us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_BusinessAcquisitionAxis
= glw_SamsungCorningPrecisionMaterialsCoLtdMember
/ us-gaap_StatementClassOfStockAxis
= glw_ConvertiblePreferredStockSeriesAMember
/ us-gaap_StatementScenarioAxis
= glw_AdditionalAmountIssuedAtClosingMember