Note 15 - Fair Value Measurements (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended		3 Months Ended
Sep. 30, 2014	Jan. 15, 2014 Revenues Generated by Samsung Corning Precision Materials [Member] Samsung Corning Precision Materials Co., Ltd. [Member]	Jan. 15, 2014 Volume of Certain Sales [Member] Samsung Corning Precision Materials Co., Ltd. [Member]	Sep. 30, 2014 Samsung Corning Precision Materials Co., Ltd. [Member]	Jan. 15, 2014 Samsung Corning Precision Materials Co., Ltd. [Member]
Note 15 - Fair Value Measurements (Details) [Line Items]
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High		$ 665	$ 100
Business Combination, Contingent Consideration, Asset				273	196
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Asset	$ 77			$ 77

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Amount of increase (decrease) in the value of right to a contingent consideration asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 4

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479

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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

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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

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