No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Long-lived assets primarily include investments, plant and equipment, goodwill and other intangible assets. No authoritative reference available. Performance-Based Restricted Stock and Restricted Stock Units No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The estimated maximum amount of possible interest on a loss from the contingency. No authoritative reference available. Reconciliation of the Changes in Credit Losses Recognized in Earnings No authoritative reference available. Fair Value and Gross Unrealized Losses of Investments by Length of Time In Continuous Unrealized Loss Position - Table No authoritative reference available. Amount charged against earnings in the period for incurred and estimated costs, excluding asset retirement obligations, associated with exit from or disposal of business activities or restructurings pursuant to a program that is planned and controlled by management, and materially changes either the scope of a business undertaken by an entity, or the manner in which that business is conducted, net of tax. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Effect of derivative financial instruments on consolidated financial statements No authoritative reference available. No authoritative reference available. No authoritative reference available. Entity Wide Revenue, Major Customer, Percentage Of Sales, Text Number No authoritative reference available. No authoritative reference available. No authoritative reference available. Reconciliation of Amounts Used in Basic and Diluted Earnings per Share No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. 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No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Weighted average interest rate No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Schedule Of Future Benefit Payments [Text Block] No authoritative reference available. Equity in earnings of affiliated companies, net of impairments No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Debt Maturity Date No authoritative reference available. No authoritative reference available. No authoritative reference available. Defined Benefit Plan Foreign Currency Exchange RateChanges In Plan Assets No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Net Periodic Benefit Expense For Employee Retirement Plans No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Curtailment Effects No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Present value of amount paid to claimants No authoritative reference available. No authoritative reference available. No authoritative reference available. Investments of a reportable segment No authoritative reference available. The estimated minimum amount of possible interest on a loss from the contingency. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Schedule Of Effect On Percentage Reported For The Health Care Plans [Text Block] No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Number Of Customers Individually Accounting For Ten Percent Or More Of Each Segment's Sales No authoritative reference available. Expected Term For Grants Incentive Stock Plans Maximum No authoritative reference available. Incentive Stock Plan Vest Over A Period Maximum No authoritative reference available. In 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. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. This amount is the carrying value of the metals that are used to form components of our production equipment without impacting the quality or any degradation to its own functionality. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Amount of cash contributed by Samsung Corning Precision Glass Co. LTD along with intellectual property contributed by Corning Incorporated formed Corsam Technologies LLC, a new equity affiliate established to provide glass technology research for future product applications. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Equity Method Investment Summarized Financial Information Other Current Liabilities No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. 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The adjustment for the period is the result of the changes in the fair value of the components of the proposed asbestos settlement agreement (See the Commitment and Contingency footnote and the Investment footnote for further details). No authoritative reference available. Net Deferred Tax Assets Included In Current Assets No authoritative reference available. No authoritative reference available. No authoritative reference available. Minimum Voting Securities Owned No authoritative reference available. Property,net No authoritative reference available. Percentage Of Quarter Closing Stock Price No authoritative reference available. Defined Benefit Plan Others No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Increase or Decrease in the liability of a benefit plan due the occurrence of a significant event that resulted in a remeasurement of plan assets and liabilities during the current period. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Foreiture rate No authoritative reference available. Maximum term in years for non-qualified and incentive stock options No authoritative reference available. The amount of cash or cash equivalents contributed during the reporting period by the entity to fund its pension plans and its nonpension postretirement benefit plans less the amount of pension and other (such as medical, dental and life insurance) postretirement benefit costs recognized during the period for defined benefit plans (periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain or loss on assets, prior service cost or credit, transition asset or obligation, and gain or loss due to settlements or curtailments). No authoritative reference available. Number of annual installments paid to asbestos claimants No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Defined benefit plan health care cost trend rate decline No authoritative reference available. The cash inflows from the unwind of interest rate swap which are forward based contracts in which two parties agree to swap periodic payments that are fixed at the outset of the swap contract with variable payments based on a market interest rate (index rate) over a specified period. No authoritative reference available. Loss Contingency Accrual Payment Years No authoritative reference available. No authoritative reference available. No authoritative reference available. Restructuring Cost by Reportable Operating Segment No authoritative reference available. Several 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. Number of shares already sold of Samsung Life Insurance Co. LTD. previously sold by Seoul Guarantee Insurance Co. and 13 creditors who have brought a lawsuit against Samsung Corning Precision Glass Co. LTD. and Samsung Corning Co. and approximately 28 other co-defendants. No authoritative reference available. Credits Expected To Be Issued No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Equity Method Investment Summarized Financial Information Other Long Term Debt No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Percent Of Total Segment Sales No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Term Maximum No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Transfer of assets, at cost, to an entity that is affiliated with the reporting entity by means of direct or indirect ownership. No authoritative reference available. Deferred Tax Assets For Loss And Tax Credit Carryforwards No authoritative reference available. No authoritative reference available. No authoritative reference available. The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition, and including the cash received. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Number of shares issued during the period as a result of the exercise of stock options and as a result of an employee stock purchase plan. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Percentage Of Wages Withheld No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Expected Time To Exercise In Years Minimum No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Basis point adjustment No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Foreign statues of limitations minimum No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The charges for the period are the result of the changes in the fair value of the components of the proposed asbestos settlement agreement (See the Commitment and Contingency footnote and the Investment footnote for further details). No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Several 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. These costs include interest income, interest expense, and interest costs and investment gains associated with benefit plans No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The minimum percentage of awards that are forfeited prior to vesting due to such events as voluntary or involuntary termination of employment. No authoritative reference available. Number of shares in Samsung Life Insurance Co., LTD. (SLI) to be disposed to pay the approximately $1.3 billion ordered by the Seoul District Court. This ruling has been appealed. No authoritative reference available. No authoritative reference available. No authoritative reference available. U.S. Profits Required To Realize Deferred Tax Assets No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Payment due to plaintiffs by Samsung Corning Precision Glass Co. LTD and Samsung Corning Co. along with approximately 28 other co-defendants was order to pay by the Seoul District Court in connection with a lawsuit. The ruling is being appealed. No authoritative reference available. No authoritative reference available. No authoritative reference available. Expected Term For Grants Incentive Stock Plans Minimum No authoritative reference available. Number od shares issued during the period as a result of an employee stock purchase plan. No authoritative reference available. The aggregate estimated amortization expense for each succeeding fiscal year for intangible assets No authoritative reference available. Changes in Capital Stock No authoritative reference available. No authoritative reference available. No authoritative reference available. The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. Also included are the engineering expenses that are incurred while working on new product design, capacity, optimization programs, etc for products that are not currently being produced. No authoritative reference available. No authoritative reference available. No authoritative reference available. Schedule Of Cash Flow Supplemental Disclosures Table Text Block No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Describes the range of useful lives expected from different classes of equipment. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Debt Maturities by Years [Text Block] No authoritative reference available. Unrecognized tax benefits No authoritative reference available. Other non-current assets No authoritative reference available. No authoritative reference available. No authoritative reference available. Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate Minimum No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Default rate of interest related to judgment against Samsung Corning Precision Glass and Samsung Corning Co. along with approximately 28 other co-defendants. The ruling is being appealed. No authoritative reference available. No authoritative reference available. No authoritative reference available. Other Accrued Liablilities [Text Block] No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. US Securities collateralized by both primary and secondary mortgage loans No authoritative reference available. No authoritative reference available. No authoritative reference available. Schedule of Inventories No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Description of the basis of accounting used to prepare the financial statements (for example, U.S. Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). No authoritative reference available. No authoritative reference available. No authoritative reference available. Cap on contribution toward future retiree medical coverage No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Affiliate Result Of Operations [Text Block] No authoritative reference available. No authoritative reference available. No authoritative reference available. ImputedInterest No authoritative reference available. Loss Contingency Accrual Initial Payment Increase Decrease No authoritative reference available. No authoritative reference available. No authoritative reference available. Schedule Of Valuation Of Option Grants Under Our Stock Option Plans Of Black Scholes No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. In The Money Options No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Net Deferred Tax Assets Included In Other Assets No authoritative reference available. No authoritative reference available. No authoritative reference available. Dow Corning Received Approval For U.S. Federal Advanced Energy Manufacturing Tax Credits No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The percentage employees hired or rehired after January 1, 2007 will pay for retiree medical upon retirement if they elect coverage. No authoritative reference available. No authoritative reference available. No authoritative reference available. Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate Maximum No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain or loss, prior service cost or credit, transition asset or obligation, but not including the gain or loss due to settlements or curtailments). No authoritative reference available. No authoritative reference available. No authoritative reference available. Sum of operating profit and nonoperating income (expense) before income taxes. No authoritative reference available. The accumulated change in the value of either the projected benefit obligation or the plans assets resulting from experience different from that assumed or from a change in an actuarial assumption that has not been recognized in net periodic benefit cost pursuant to SFAS 87 and 106, after tax as well as adjustments out of other comprehensive income for prior service costs recognized as a component of net period benefit cost during the period, after tax No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Summary of Fair Value of Available-for-Sale Investments - Table No authoritative reference available. The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the expected term of a nonvested share or option award issued to other than an employee. No authoritative reference available. No authoritative reference available. No authoritative reference available. The maximum percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date after deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, which had initial maturities. No authoritative reference available. No authoritative reference available. No authoritative reference available. The minimum percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Loss contingency accrual payment increase decrease No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Corning Incorporated equity earnings share U.S. advanced energy manufacturing tax credits at Dow Corning Corporation an equity company affiliate of Corning Incorporated. No authoritative reference available. No authoritative reference available. No authoritative reference available. The estimated dividend rate (a percentage of the share price) to be paid maximum (expected dividends) to holders of the underlying shares over the expected term of a nonvested share or option award issued to other than an employee. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Schedule Of Weighted Average Assumptions Used To Determine Benefit Obligations Text Block No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Schedule Of Change In Benefit Obligation And Funded Status Of Our Employee Retirment Plans [Text Block] No authoritative reference available. No authoritative reference available. No authoritative reference available. This is total assets both tangible and intangible less the total liabilities acquired in an acquisition. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Deferred tax adjustments related to OPEB subsidies. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Several 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. No authoritative reference available. No authoritative reference available. Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur. This caption alerts the reader that one or more notes to the financial statements disclose pertinent information about the entity's commitments and contingencies. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The amount of debt issuance costs that were incurred during a noncash or partial noncash transaction. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The Company measures and recognizes cost for all share-based payment awards made to employees and directors, based on estimated fair value. Included in the calculation are employee stock options, time-based restricted stock and restricted stock units, performance-based restricted stock and restricted stock units, and the Worldwide Employee Share Purchase Plan. No authoritative reference available. Net Deferred Tax Assets Included In Other Noncurrent Liabilities No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Age of retirement eligibility No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Valuation Allowance And Reserves Additions No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Describes an entity's accounting policy regarding its principles of consolidation for variable interest entities. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Equity Method Investment Summarized Financial Information Long Term Debt No authoritative reference available. The cash outflow for debt after a tender offer resulting in early retirement of debt initially having maturity due after one year or beyond the normal operating cycle, if longer. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. If estimable, the recovery that could be expected to result from a right to proceed against a third party such as an insurer. No authoritative reference available. Defined Benefit Plan Net Loss No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Notional Amounts and Fair Values of Derivative Financial Instruments No authoritative reference available. Long-term purchase and supply agreements No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The value of services provided to an entity that is affiliated with the reporting entity by means of direct or indirect ownership. No authoritative reference available. Loss Contingency Estimated Claims Period Years No authoritative reference available. No authoritative reference available. No authoritative reference available. This item represents the allowance for credit losses on debt and equity securities, which are categorized neither as held-to-maturity nor trading as of the balance sheet date. No authoritative reference available. Gross Realized Gains And Losses [Text Block] No authoritative reference available. US statues of limitations maximum No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Net Deferred Tax Assets Included In Other Current Liabilities No authoritative reference available. Ownership Percentage Minimum No authoritative reference available. No authoritative reference available. No authoritative reference available. Currency Fluctuations Assets Invested In Non US Investments No authoritative reference available. No authoritative reference available. No authoritative reference available. Current Year Prior Service (Credit)/ Loss No authoritative reference available. Proceeds from sales and maturities of short-term investments No authoritative reference available. No authoritative reference available. No authoritative reference available. Defined Benefit Plan Curtailment Loss No authoritative reference available. Number of claims in other cases currently involved alleging injuries from asbestos and similar amounts of monetary damages per case. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Disclosure of income before income tax between domestic and foreign jurisdictions. No authoritative reference available. The average number of shares issued and outstanding that are used in calculating Basic EPS, determined based on the timing of issuance of shares in the period, increased by the number of additional common shares that would have been outstanding if the dilutive potential common shares had been issued. No authoritative reference available. Share Based Compensation Arrangement By Share Based Payment Award Options Vested In Period Total Fair Value No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Schedule Of Valuation And Qualifying Accounts Disclosure Table Text Block No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. This element represents the policy related to the fair value measurement of assets and liabilities which includes [financial] instruments measured at fair value that are classified in stockholders' equity. Such assets and liabilities may be measured on a recurring or nonrecurring basis. The disclosures which may be required or desired include: (1) for assets and liabilities measured on a recurring basis, disclosure may include: (a) the fair value measurements at the reporting date; (b) the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets or liabilities (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3); (c) for fair value measurements using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (i) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (ii) purchases, sales, issuances, and settlements (net); (iii) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs); (d) the amount of the total gains or losses for the period in subparagraph (c) (i) above included in earnings (or changes in net assets) that are attributable to the change in unrealized gains or losses relating to those assets and liabilities still held at the reporting date and a description of where those unrealized gains or losses are reported in the statement of income (or activities); (e) the valuation technique(s) used to measure fair value and a discussion of changes in valuation techniques, if any, during the period and (2) for assets and liabilities that are measured at fair value on a nonrecurring basis (for example, impaired assets) disclosure may include, in addition to (a) above: (a) the reasons for the fair value measurements recorded; (b) the same as (b) above; (c) for fair value measurements using significant unobservable inputs (Level 3), a description of the inputs and the information used to develop the inputs; and (d) the valuation technique(s) used to measure fair value and a discussion of changes, if any, in the valuation technique(s) used to measure similar assets and/or liabilities in prior periods. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Net total decrease in the accrual for restructuring costs during the reporting period. No authoritative reference available. The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process. No authoritative reference available. Liquidity Risk Long Term Investments In Private Equity And Real Estate No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Last Customer Deposit Received No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Period to recognize U.S. deferred tax assets associated with federal net operating loss carry forwards No authoritative reference available. Schedule Of Rate Of Return On Current Interest Rate Environment And Premimum Related To Fixed Income Rates Of Equities And Other Assets Classes [Text Block] No authoritative reference available. Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Asset Impairments And Restructuring Reserves No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Carrying amount as of the balance sheet date, which is the cumulative amount paid, adjusted for any amortization recognized prior to adoption of ASC 350 and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions and including other intangible assets, net of accumulated amortization and impairment charges as of the balance sheet date. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Credit Due To Excess Foreign Tax Credits That Dow Corning Corporation Generated From Foreign Dividends Before Tax No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Net Deferred Tax Assets Included In Accounts [Text Block] No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Term, Minimum No authoritative reference available. No authoritative reference available. No authoritative reference available. Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum No authoritative reference available. Time-Based Restricted Stock and Restricted Stock Units No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Credit Due To Excess Foreign Tax Credits That Dow Corning Corporation Generated From Foreign Dividends After Tax No authoritative reference available. Asbestos settlement increase/decrease No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum No authoritative reference available. Other changes in capital stock that are not material for separate disclosure. No authoritative reference available. Incentive Stock Plan Contractual Lives Minimum No authoritative reference available. No authoritative reference available. No authoritative reference available. Summary of Contractual Maturities of Available-for-Sale Securities No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Deferred Tax Assets Loss And Tax Credit Carryforward No authoritative reference available. Incentive Stock Plan Vest Over A Period Minimum No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Other corporate items No authoritative reference available. No authoritative reference available. No authoritative reference available. Non-reportable segments No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Restructuring Charges For The US Pension And Post Retirement Benefit Plan No authoritative reference available. No authoritative reference available. No authoritative reference available. Loss Contingency Estimated Carrying Value Period Increase Decrease No authoritative reference available. The weighted average of risk free rates used in the quarter. Risk free rate is defined as the yield of a zero-coupon U.S. Treasury bond whose maturity period equals the option's expected term. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The weighted average of risk free rates used in the quarter. Risk free rate is defined as the yield of a zero-coupon U.S. Treasury bond whose maturity period equals the option's expected term. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Tax (Expenses) Benefits Not Recorded On (Income) Losses No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Settlement of business interuption and property damage insurance claims No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Release of Prior Period Valuation Allowances No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. OPEB Deferred Tax Write Off No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Equity Method Investment Summarized Financial Information Short Term Borrowinf Including Current Portion Of Long Term Debt No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Future U.S. Profit Required To Realize Deferred Tax Assets No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Probability Percentage No authoritative reference available. maximum percentage that substantially all employees of the Company could elect to have withheld from their annual wages to purchase Company common stock offered under the Worldwide Employee Share Purchase Plan No authoritative reference available. Percentage Of Reduction Of Share Of Any Future Impairments No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The amount of principal redeemed for debt initially having a maturity due after one year or beyond the normal operating cycle, if longer. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Number of shares contributed to asbestos claimants No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Schedule Of Projected Benefit Obligation And The Accumulated Benefit Obligation For Pension Plans [Text Block] No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Interest on amount paid to claimants No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. An entity also may describe how such investments are assessed for impairment. No authoritative reference available. No authoritative reference available. No authoritative reference available. Expected Time To Exercise In Years Maximum No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Deferred Tax Assets Capitalized Research And Development No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The total amount of profit or loss for non-reportable segments which are made up of all the operating segments that do not meet the quantitative threshold for separate reporting. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. No authoritative reference available. The percentage at which the purchase price of the stock is bought as of the end-of-quarter closing market price under the Worldwide Employee Share Purchase Plan. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Incentive Stock Plan Contractual Lives Maximum No authoritative reference available. The current portion, due within one year or the normal operating cycle, if longer, of money or property received from customers which is either to be returned upon satisfactory contract completion or applied to customer receivables in accordance with the terms of the contract or the understandings. This amount represents cash deposits received from customers for a portion of the contracted glass to be purchased under long-term purchase and supply agreements, net of credit memoranda that are applied against the customer receivables resulting from the sale of the product under these agreements. Thus reducing operating cash flows in later periods as these credits are applied for cash deposits received in earlier periods. No authoritative reference available. This asset category includes other long-term assets that were not material for separate disclosure. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Foreign statues of limitations maxium No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Schedule Of Defined Benefit Plans Of Assets [Text Block] No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Credit Risk Of Plan Assets Long Duration Corporate Bonds No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The number of active hazardous waste sites for which the entity is responsible. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Minority Interests Share On Other Than Temporary Impairment No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Schedule Of Weighted Average Assumptions Used To Determine Net Periodic Cost [ No authoritative reference available. The amount of the par value of issued senior unsecured notes No authoritative reference available. Number of other cases currently involved alleging injuries from asbestos and similar amounts of monetary damages per case. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Related party information for investments in affiliates No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Corporate Contributions No authoritative reference available. The maximum percentage of awards that are forfeited prior to vesting due to such events as voluntary or involuntary termination of employment. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The maximum percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. No authoritative reference available. Equity In Undistributed Earnings Of Equity Companies Was Included In Retained Earnings No authoritative reference available. No authoritative reference available. No authoritative reference available. Foreign Currency Exchange And Hedge Gains Losses Net No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. US statutes of limitations minimum No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Goodwill Impaired Accumulated Impairment Loss No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Defined Benefit Plan Accumulated Other Comprehensive Income Acturial Loss Gain No authoritative reference available. Current assets No authoritative reference available. No authoritative reference available. No authoritative reference available. Accumulated foreign unremitted earnings No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. This item represents a table presenting the provision for income taxes and the effective tax rate No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Other comprehensive income amortization of actuarial loss defined benefit plan net No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Accumulated Foreign Unremitted To Realize Deferred Tax Asset No authoritative reference available. Approximate Remaining Current Year Amortization Expense No authoritative reference available. No authoritative reference available. No authoritative reference available.