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The entity including portions attributable to the parent and noncontrolling interests is sometimes referred to as the economic entity. This excludes temporary equity and is sometimes called permanent equity.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 25 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 26 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A3 -Appendix A falsefalseBalance20false0us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTaxus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse-104000000-104[1],[5]falsefalsefalsefalsefalse2truefalsefalse-16000000-16[1],[5]falsefalsefalsefalsefalse3truefalsefalse-555000000-555[1],[5]falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTax effects of the net changes to accumulated comprehensive income during the period related to benefit plans.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 25 falsefalseNet change in unrecognized postretirement benefit plans21false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.corning.com/role/disclosureshareholdersequitycomponentsofothercomprehensiveincomeloss1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse17falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Net Unrealized Gains (Losses) on Investments [Member] 1/1/2010 - 12/31/2010 USD ($) $Duration_1_1_2010_To_12_31_20105222222http://www.sec.gov/CIK0000024741duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseNet Unrealized Gains (Losses) on Investments [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_AccumulatedNetUnrealizedInvestmentGainLossMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$18falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Net Unrealized Gains (Losses) on Investments [Member] 1/1/2009 - 12/31/2009 USD ($) $Duration_1_1_2009_To_12_31_20092216http://www.sec.gov/CIK0000024741duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseNet Unrealized Gains (Losses) on Investments [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_AccumulatedNetUnrealizedInvestmentGainLossMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$19falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Net Unrealized Gains (Losses) on Investments [Member] 1/1/2008 - 12/31/2008 USD ($) $Duration_1_1_2008_To_12_31_200817http://www.sec.gov/CIK0000024741duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseNet Unrealized Gains (Losses) on Investments [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_AccumulatedNetUnrealizedInvestmentGainLossMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$20falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Net Unrealized Gains (Losses) on Investments [Member] 12/31/2007 USD ($) $As_Of_12_31_200710http://www.sec.gov/CIK0000024741instant2007-12-31T00:00:000001-01-01T00:00:00falsefalseNet Unrealized Gains (Losses) on Investments [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_AccumulatedNetUnrealizedInvestmentGainLossMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalseNet Unrealized Gains (Losses) on Investments [Member]22false0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsetruefalseperiodendlabel1truefalsefalse-33000000-33falsefalsefalsefalsefalse2truefalsefalse-39000000-39falsefalsefalsefalsefalse3truefalsefalse-92000000-92falsefalsefalsefalsefalse4truefalsefalse-11000000-11falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal of Stockholders' Equity (deficit) items, net of receivables from officers, directors owners, and affiliates of the entity including portions attributable to both the parent and noncontrolling interests (previously referred to as minority interest), if any. 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Reclassification adjustments include: (1) the unrealized holding gain or loss, net of tax, at the date of the transfer for a debt security from the held-to-maturity category transferred into the available-for-sale category. Also includes the unrealized gain or loss at the date of transfer for a debt security from the available-for-sale category transferred into the held-to-maturity category; (2) the unrealized gains or losses realized upon the sale of securities, after tax; and (3) the unrealized gains or losses realized upon the write-down of securities, after tax.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 17, 22 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 13 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 24 -Subparagraph b falsefalseNet unrealized gain (loss) on investments24false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.corning.com/role/disclosureshareholdersequitycomponentsofothercomprehensiveincomeloss1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse21falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Net Unrealized Gains (Losses) on Cash Flow Hedges [Member] 1/1/2010 - 12/31/2010 USD ($) $Duration_1_1_2010_To_12_31_201052233http://www.sec.gov/CIK0000024741duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseNet Unrealized Gains (Losses) on Cash Flow Hedges [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$22falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Net Unrealized Gains (Losses) on Cash Flow Hedges [Member] 1/1/2009 - 12/31/2009 USD ($) $Duration_1_1_2009_To_12_31_20092215http://www.sec.gov/CIK0000024741duration2009-01-01T00:00:002009-12-31T00:00:00falsefalseNet Unrealized Gains (Losses) on Cash Flow Hedges [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$23falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Net Unrealized Gains (Losses) on Cash Flow Hedges [Member] 1/1/2008 - 12/31/2008 USD ($) $Duration_1_1_2008_To_12_31_200816http://www.sec.gov/CIK0000024741duration2008-01-01T00:00:002008-12-31T00:00:00falsefalseNet Unrealized Gains (Losses) on Cash Flow Hedges [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$24falsefalseUSDtruefalse{us-gaap_StatementEquityComponentsAxis} : Net Unrealized Gains (Losses) on Cash Flow Hedges [Member] 12/31/2007 USD ($) $As_Of_12_31_20079http://www.sec.gov/CIK0000024741instant2007-12-31T00:00:000001-01-01T00:00:00falsefalseNet Unrealized Gains (Losses) on Cash Flow Hedges [Member]us-gaap_StatementEquityComponentsAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMemberus-gaap_StatementEquityComponentsAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalseNet Unrealized Gains (Losses) on Cash Flow Hedges [Member]25false0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsetruefalseperiodendlabel1truefalsefalse-23000000-23falsefalsefalsefalsefalse2truefalsefalse10000001falsefalsefalsefalsefalse3truefalsefalse-38000000-38falsefalsefalsefalsefalse4truefalsefalse-22000000-22falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTotal of Stockholders' Equity (deficit) items, net of receivables from officers, directors owners, and affiliates of the entity including portions attributable to both the parent and noncontrolling interests (previously referred to as minority interest), if any. The entity including portions attributable to the parent and noncontrolling interests is sometimes referred to as the economic entity. This excludes temporary equity and is sometimes called permanent equity.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 25 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 26 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A3 -Appendix A falsefalseBalance26false0us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTaxus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse-24000000-24[1],[4]falsetruefalsefalsefalse2truefalsefalse3900000039[1],[4]falsetruefalsefalsefalse3truefalsefalse-16000000-16[1],[4]falsetruefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryChange in accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges, net of tax effect. The after tax effect change includes an entity's share of an equity investee's increase (decrease) in deferred hedging gains or losses.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 17, 20 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 121 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(3) Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 24 -Subparagraph b Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 46 falsefalseNet unrealized gain (loss) on cash flow hedges1 Includes adjustments from Dow Corning.2 Net of tax effect of $(1) million in 2010, $0.3 million in 2009 and $(2) million in 2008. Refer to Note 6 (Income Taxes) for an explanation of Corning's tax paying position.3 Net of tax effect of $(5) million in 2010, $(18) million in 2009 and $9 million in 2008.4 Net of tax effect of $14 million in 2010, $(19) million in 2009 and $4 million in 2008.5 Net of tax effect of $55 million in 2010, $(7) million in 2009 and $246 million in 2008.425Shareholders' Equity (Components of Other Comprehensive Income (Loss) (USD $)MillionsUnKnownUnKnownUnKnownfalsetrue