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Note 7 - Investments (Details) |  |  |  | 3 Months Ended | 7 Months Ended | 12 Months Ended | 139 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 11, 2015 USD ($) | Dec. 12, 2014 USD ($) | Jan. 15, 2014 | Jan. 15, 2014 | Dec. 31, 2015 USD ($) | Sep. 30, 2015 USD ($) | Jun. 30, 2015 USD ($) | Mar. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Sep. 30, 2014 USD ($) | Jun. 30, 2014 USD ($) | Mar. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Jun. 30, 2016 | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Dec. 31, 2015 USD ($) | Nov. 30, 2013 | Nov. 12, 2013 USD ($) | Apr. 16, 2000 USD ($)
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Retained Earnings, Undistributed Earnings from Equity Method Investees |  |  |  |  | $ 2,000,000,000 |  |  |  |  |  |  |  |  |  | $ 2,000,000,000 |  |  | $ 2,000,000,000 |  |  |
Minority Interests of Shareholders Acquired, Number of Shareholders |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |
Payments to Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 47,000,000 |  |  |  |
Research and Development Expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 638,000,000 | $ 701,000,000 | 613,000,000 |  |  |  |
Income (Loss) from Equity Method Investments |  |  |  |  | 104,000,000 | $ 39,000,000 | $ 62,000,000 | $ 94,000,000 | $ 23,000,000 | $ 95,000,000 | $ 62,000,000 | $ 86,000,000 |  |  | 299,000,000 | 266,000,000 | 547,000,000 |  |  |  |
Equity Method Investments |  |  |  |  | 1,905,000,000 |  |  |  | 1,777,000,000 |  |  |  |  |  | 1,905,000,000 | 1,777,000,000 |  | 1,905,000,000 |  |  |
Asbestos Settlement (Credit) Charge |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (15,000,000) | (9,000,000) | $ 19,000,000 |  |  |  |
Loss Contingency, Accrual, Noncurrent |  |  |  |  | 440,000,000 |  |  |  | 681,000,000 |  |  |  |  |  | 440,000,000 | 681,000,000 |  | 440,000,000 |  |  |
Loss Contingency, Accrual, Current |  |  |  |  | 238,000,000 |  |  |  |  |  |  |  |  |  | 238,000,000 |  |  | 238,000,000 |  |  |
Implant Liability [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual, Period Increase (Decrease) |  | $ (393,000,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Samsung Corning Precision Materials Co., Ltd. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  |  |  |  |  |  |  |  | 57.50% |  |  |  | 57.50% |  | 50.00% |  |
Sale of Stock, Percentage of Ownership after Transaction |  |  | 100.00% | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dow Corning Corporation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments |  |  |  |  | $ 1,483,000,000 |  |  |  | 1,325,000,000 |  |  |  |  |  | $ 1,483,000,000 | 1,325,000,000 |  | $ 1,483,000,000 |  |  |
Newly Formed Entity [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pittsburgh Corning Corporation (PCC) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  | 50.00% |  |  | 50.00% |  |  |
Equity Method Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0
Pittsburgh Corning Europe (PCE) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments |  |  |  |  | $ 154,000,000 |  |  |  | 162,000,000 |  |  |  |  |  | $ 154,000,000 | 162,000,000 |  | $ 154,000,000 |  |  |
Equity Method Investments, Fair Value Disclosure |  |  |  |  | 238,000,000 |  |  |  | 241,000,000 |  |  |  |  |  | 238,000,000 | 241,000,000 |  | 238,000,000 |  |  |
Three Minority Shareholders [Member] | Samsung Corning Precision Materials Co., Ltd. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.00% |  |
Payments to Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |  |  | $ 506,000,000 |  |  |  |  |  |  |  |
Samsung Display Co., Ltd. [Member] | Samsung Corning Precision Materials Co., Ltd. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  | 42.50% | 42.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 42.50% |  |
Dow Corning Corporation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Research and Development Expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 233,000,000 | 273,000,000 | $ 248,000,000 |  |  |  |
Payments for Legal Settlements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,800,000,000 |  |  |
Income (Loss) from Equity Method Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 281,000,000 | 252,000,000 | $ 196,000,000 |  |  |  |
Dow Corning Corporation [Member] | Implant Liability [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual, Period Increase (Decrease) |  | $ (1,300,000,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dow Corning Corporation [Member] | Commercial Creditors [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Range of Possible Loss, Minimum |  |  |  |  | 104,000,000 |  |  |  |  |  |  |  |  |  | 104,000,000 |  |  | 104,000,000 |  |  |
Loss Contingency, Range of Possible Loss, Maximum |  |  |  |  | $ 341,000,000 |  |  |  |  |  |  |  |  |  | 341,000,000 |  |  | 341,000,000 |  |  |
Income (Loss) from Equity Method Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 104,000,000 |  |  |  |  |  |
Dow Corning Corporation [Member] | Claimants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments for Legal Settlements |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,300,000,000 |  |  |
Newly Formed Entity [Member] | Hemlock Semiconductor Group [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage | 40.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments | $ 4,800,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dow Chemical Company [Member] | Dow Corning Corporation [Member] | Scenario, Forecast [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |
PPG Industries, Inc. [Member] | Pittsburgh Corning Corporation (PCC) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  | 50.00% |  |  | 50.00% |  |  |
Breast Implant Litigation [Member] | Dow Corning Corporation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated Litigation Liability |  |  |  |  | $ 291,000,000 |  |  |  |  |  |  |  |  |  | $ 291,000,000 |  |  | $ 291,000,000 |  |  |
Asbestos Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual |  |  |  |  | 678,000,000 |  |  |  | 681,000,000 |  |  |  |  |  | 678,000,000 | 681,000,000 |  | 678,000,000 |  |  |
Asbestos Settlement (Credit) Charge |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (15,000,000) | 9,000,000 |  |  |  |  |
Loss Contingency, Accrual, Noncurrent |  |  |  |  | 440,000,000 |  |  |  |  |  |  |  |  |  | 440,000,000 |  |  | 440,000,000 |  |  |
Asbestos Litigation [Member] | Amended Pittsburgh Corning Corporation Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Required Payments Per Reorganization Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 290,000,000 |
Asbestos Litigation [Member] | First Payment [Member] | Amended Pittsburgh Corning Corporation Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Required Payments Per Reorganization Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 70,000,000 |
Asbestos Litigation [Member] | First Subsequent Anniversary [Member] | Amended Pittsburgh Corning Corporation Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Required Payments Per Reorganization Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 35,000,000 |
Asbestos Litigation [Member] | Second Subsequent Anniversary [Member] | Amended Pittsburgh Corning Corporation Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Required Payments Per Reorganization Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50,000,000 |
Asbestos Litigation [Member] | Third Subsequent Anniversary [Member] | Amended Pittsburgh Corning Corporation Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Required Payments Per Reorganization Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 35,000,000 |
Asbestos Litigation [Member] | Fourth Subsequent Anniversary [Member] | Amended Pittsburgh Corning Corporation Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Required Payments Per Reorganization Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50,000,000 |
Asbestos Litigation [Member] | Fifth Subsequent Anniversary [Member] | Amended Pittsburgh Corning Corporation Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Required Payments Per Reorganization Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 50,000,000 |
Asbestos Litigation [Member] | Amended PCC Plan and Non-PCC Asbestos Claims [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual |  |  |  |  | 678,000,000 |  |  |  | $ 681,000,000 |  |  |  |  |  | 678,000,000 | $ 681,000,000 |  | 678,000,000 |  |  |
Asbestos Litigation [Member] | Fixed Series of Payment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Accrual, Noncurrent |  |  |  |  | 290,000,000 |  |  |  |  |  |  |  |  |  | 290,000,000 |  |  | 290,000,000 |  |  |
Asbestos Litigation [Member] | Non-PCC Asbestos Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Accrual, Noncurrent |  |  |  |  | 150,000,000 |  |  |  |  |  |  |  |  |  | 150,000,000 |  |  | 150,000,000 |  |  |
Asbestos Litigation [Member] | Pittsburgh Corning Europe (PCE) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Accrual, Current |  |  |  |  | $ 238,000,000 |  |  |  |  |  |  |  |  |  | 238,000,000 |  |  | $ 238,000,000 |  |  |
Asbestos Litigation [Member] | Pittsburgh Corning Corporation (PCC) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Pending Claims, Number |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11,800
Non-PCC Asbestos Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note 7 - Investments (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual, Period Increase (Decrease) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 150,000,000 |  |  |  |  |  |
Number of Other Cases Currently Involved Alleging Injuries from Asbestos and Similar Amounts of Monetary Damages Per Case |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,700 |  |  |  |  |  |
Number of Claims in Other Cases Currently Involved Alleging Injuries from Asbestos and Similar Amounts of Monetary Damages Per Case |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 37,300 |  |  |  |  |  |
Insurance Recoveries |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 19,000,000 |  |  |  |  |  |
Undiscounted Projection of Claims and Related Legal Fees, Period |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20 years |  |  |  |  |  |

X
- Definition The asbestos charges (credit) 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). + References No definition available. + Details
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X
- Definition Represents the fixed series of payments which Corning is required to make pursuant to the PCC Plan of Reorganization. + References No definition available. + Details
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- Definition Represents the number of shareholders whose minority interests were acquired by Corning. + References No definition available. + Details
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- Definition Represents the number of claims in other cases currently involved alleging injuries from asbestos and similar amounts of monetary damages per case. + References No definition available. + Details
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- Definition Represents the number of other cases currently involved alleging injuries from asbestos and similar amounts of monetary damages per case. + References No definition available. + Details
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- Definition Period of undiscounted projection of claims and related legal fees represented by the estimated liability. + References No definition available. + Details
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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