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Note 16 - Fair Value Measurements (Details) - USD ($) | Dec. 29, 2015 | Dec. 31, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Jan. 15, 2014
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Note 16 - Fair Value Measurements (Details) [Line Items] |  |  |  |  |
Assets, Fair Value Disclosure, Nonrecurring |  | $ 0 |  | $ 0 |
Liabilities, Fair Value Disclosure, Nonrecurring |  | 0 |  | $ 0 |
Samsung Corning Precision Materials Co., Ltd. [Member] |  |  |  |  |
Note 16 - Fair Value Measurements (Details) [Line Items] |  |  |  |  |
Business Combination, Contingent Consideration, Asset | $ 458,000,000 |  |  |  | $ 196,000,000
Business Combination, Contingent Consideration, Assets Assignment Agreement Threshold | (300,000,000) |  |  |  |
Samsung Corning Precision Materials Co., Ltd. [Member] | Revenues Generated by Samsung Corning Precision Materials [Member] |  |  |  |  |
Note 16 - Fair Value Measurements (Details) [Line Items] |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  |  |  | 665,000,000
Samsung Corning Precision Materials Co., Ltd. [Member] | Volumn of Certain Sales [Member] |  |  |  |  |
Note 16 - Fair Value Measurements (Details) [Line Items] |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  |  |  | $ 100,000,000
Samsung Corning Precision Materials Co., Ltd. [Member] | Samsung Display's Obligation to Pay or Right to Received [Member] |  |  |  |  |
Note 16 - Fair Value Measurements (Details) [Line Items] |  |  |  |  |
Business Combination, Contingent Consideration, Asset | 246,000,000 |  |  |  |
Samsung Corning Precision Materials Co., Ltd. [Member] | Long Term Supply Agreements [Member] |  |  |  |  |
Note 16 - Fair Value Measurements (Details) [Line Items] |  |  |  |  |
Business Combination, Contingent Consideration, Asset | $ 212,000,000 |  |  |  |
IBwave Solutions and Fiberoptics [Member] |  |  |  |  |
Note 16 - Fair Value Measurements (Details) [Line Items] |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  | 28,000,000 |  |  |
Business Combination, Contingent Consideration, Liability |  | $ 10,000,000 | $ 13,000,000 |  |

X
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- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References No definition available. + Details
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- Definition For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
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- Definition Amount of asset recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph b -URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6411-128476 + Details
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- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph b -URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 + Details
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- Definition Aggregation of the liabilities reported on the balance sheet measured at fair value on a nonrecurring basis by the entity. + References No definition available. + Details
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