2.2.0.25falsefalse41102 - Disclosure - Other Liabilities (Narrative)truefalsefalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010 USD ($) USD ($) / shares $Duration_1_1_2010_To_12_31_2010http://www.sec.gov/CIK0000024741duration2010-01-01T00:00:002010-12-31T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit14Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$2falsefalseUSDfalsefalse1/1/2009 - 12/31/2009 USD ($) USD ($) / shares $Duration_1_1_2009_To_12_31_2009http://www.sec.gov/CIK0000024741duration2009-01-01T00:00:002009-12-31T00:00:00Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0Unit14Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$3falsefalseUSDfalsefalse1/1/2008 - 12/31/2008 USD ($) USD ($) / shares $Duration_1_1_2008_To_12_31_2008http://www.sec.gov/CIK0000024741duration2008-01-01T00:00:002008-12-31T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit14Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$4falsefalseUSDfalsefalse1/1/2007 - 12/31/2007 USD ($) $Duration_1_1_2007_To_12_31_2007http://www.sec.gov/CIK0000024741duration2007-01-01T00:00:002007-12-31T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$5falsefalseUSDfalsefalse1/1/2004 - 12/31/2007 USD ($) $Duration_1_1_2004_To_12_31_2007http://www.sec.gov/CIK0000024741duration2004-01-01T00:00:002007-12-31T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2true0us-gaap_LiabilitiesAbstractus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseOther Liabilities3false0glw_CustomerDepositAgreementsglwfalsecreditdurationIn 2005 and 2004, several of Corning's customers entered into long-term purchase and supply agreements in which Corning's...falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5truefalsefalse937000000937000000falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryIn 2005 and 2004, several of Corning's customers entered into long-term purchase and supply agreements in which Corning's Display Technologies segment would supply large-size glass substrates to these customers over periods of up to six years. As part of the agreements, these customers agreed to advance cash deposits to Corning for a portion of the contracted glass to be purchased.No authoritative reference available.falsefalseCustomer Deposit Agreements4false0glw_LastCustomerDepositReceivedglwfalsecreditdurationLast Customer Deposit Receivedfalsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse105000000105000000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryLast Customer Deposit ReceivedNo authoritative reference available.falsefalseLast Deposit Received5false0glw_CreditMemorandaglwfalsecreditdurationSeveral Corning customers entered into long-term purchase and supply agreements, depositing money with Corning in the...falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse8300000083000000falsefalsefalsefalsefalse2truefalsefalse253000000253000000falsefalsefalsefalsefalse3truefalsefalse266000000266000000falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetarySeveral Corning customers entered into long-term purchase and supply agreements, depositing money with Corning in the process, as product is shipped to the customers, Corning recognizes the revenue at the selling price and issues credit memoranda for an agreed amount. The credit memoranda are applied against the customers receivables.No authoritative reference available.falsefalseCredit Memoranda6false0glw_CreditsExpectedToBeIssuedglwfalsecreditinstantCredits Expected To Be Issuedfalsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse2700000027000000falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryCredits Expected To Be IssuedNo authoritative reference available.falsefalseCredits expected to be issues7false0us-gaap_LossContingencyAccrualProductLiabilityUndiscountedDueWithinOneYearus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse100000000100000000falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe portion of the estimated aggregate undiscounted amount of the accrual for damages arising from third-party use of the entity's product(s) or process(es) that is expected to be paid within one year of the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section Y -Paragraph Question 1 falsefalsePayment for product liability under settlement agreement - within one year8false0us-gaap_LossContingencyAccrualProductLiabilityUndiscountedDueInSecondYearus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse5000000050000000falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe portion of the estimated aggregate undiscounted amount of the accrual for damages arising from third-party use of the entity's product(s) or process(es) that is expected to be paid in the second year after the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section Y -Paragraph Question 1 falsefalsePayment for product liability under settlement agreement - year two9false0us-gaap_LossContingencyAccrualProductLiabilityUndiscountedDueInThirdYearus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse5000000050000000falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe portion of the estimated aggregate undiscounted amount of the accrual for damages arising from third-party use of the entity's product(s) or process(es) that is expected to be paid in the third year after the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section Y -Paragraph Question 1 falsefalsePayment for product liability under settlement agreement - year three10false0us-gaap_LossContingencyAccrualProductLiabilityUndiscountedDueInFourthYearus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse5000000050000000falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe portion of the estimated aggregate undiscounted amount of the accrual for damages arising from third-party use of the entity's product(s) or process(es) that is expected to be paid in the fourth year after the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section Y -Paragraph Question 1 falsefalsePayment for product liability under settlement agreement - year four11false0us-gaap_LossContingencyAccrualProductLiabilityUndiscountedDueInFifthYearus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse5000000050000000falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe portion of the estimated aggregate undiscounted amount of the accrual for damages arising from third-party use of the entity's product(s) or process(es) that is expected to be paid in the fifth year after the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section Y -Paragraph Question 1 falsefalsePayment for product liability under settlement agreement - year five12false0us-gaap_LossContingencyAccrualProductLiabilityUndiscountedDueAfterFifthYearus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse5000000050000000falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe portion of the estimated aggregate undiscounted amount of the accrual for damages arising from third-party use of the entity's product(s) or process(es) that is expected to be paid after the fifth year after the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section Y -Paragraph Question 1 falsefalsePayment for product liability under settlement agreement - year six13false0glw_FurtherModificationToAmendedPCCPlanInitialPaymentglwfalsedebitinstantSeveral of the parties in the bankruptcy proceeding have filed documents with the Bankruptcy Court further modifying the...falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse3000000030000000falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetarySeveral of the parties in the bankruptcy proceeding have filed documents with the Bankruptcy Court further modifying the Amended PCC Plan by reducing Corning's initial payment by $30 million and reducing its second and fourth payments by $15 million each. In return, Corning will relinquish its claim for reimbursement of its payments and contributions under the Amended PCC Plan from the insurance carriers involved in the bankruptcy proceeding with possible minor exceptions. These modifications are expected to resolve objections to the Amended PCC Plan filed by some of the insurance carriers.No authoritative reference available.falsefalseFurther Modification To Amended PCC Plan Initial Payment14false0glw_FurtherModificationToAmendedPCCPlanSecondAndFourthPaymentsglwfalsedebitinstantSeveral of the parties in the bankruptcy proceeding have filed documents with the Bankruptcy Court further modifying the...falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse1500000015000000falsetruefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetarySeveral of the parties in the bankruptcy proceeding have filed documents with the Bankruptcy Court further modifying the Amended PCC Plan by reducing Corning's initial payment by $30 million and reducing its second and fourth payments by $15 million each. In return, Corning will relinquish its claim for reimbursement of its payments and contributions under the Amended PCC Plan from the insurance carriers involved in the bankruptcy proceeding with possible minor exceptions. These modifications are expected to resolve objections to the Amended PCC Plan filed by some of the insurance carriers.No authoritative reference available.falsefalseFurther Modification To Amended PCC Plan Second And Fourth Payments15false0us-gaap_ProductLiabilityContingencyTimeFrameOfDisbursementsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<font class="_mt">19</font>19falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringEstimated time frame of disbursements over which the accrued or presently unrecognized amounts may be paid out for damages pertaining to a specified product.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section Y -Paragraph Question 2 falsefalseTime period for future claims16false0glw_LongTermPurchaseAndSupplyAgreementsglwfalsenadurationLong-term purchase and supply agreementsfalsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse66falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:decimalItemTypedecimalLong-term purchase and supply agreementsNo authoritative reference available.falsefalseLong-term purchase and supply agreements515Other Liabilities (Narrative) (USD $)NoRoundingUnKnownUnKnownUnKnowntruetrue