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Note 20 - Reportable Segments (Details) - Selected Financial Information On Product Lines and Reportable Segments - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 2,231 | $ 2,272 | $ 2,343 | $ 2,265 | $ 2,404 | $ 2,540 | $ 2,482 | $ 2,289 | $ 9,111 | [1] | $ 9,715 | [1] | $ 7,819 | [1]
Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 9,111 |  | 9,715 |  | 7,819 |
Operating Segments [Member] | Display Technologies [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 3,086 |  | 3,851 |  | 2,545 |
Operating Segments [Member] | Optical Communications [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 2,980 |  | 2,652 |  | 2,326 |
Operating Segments [Member] | Environmental Technologies [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 1,053 |  | 1,092 |  | 919 |
Operating Segments [Member] | Specialty Materials [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 1,107 |  | 1,205 |  | 1,170 |
Operating Segments [Member] | Life Sciences [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 821 |  | 862 |  | 851 |
Operating Segments [Member] | Other Segments [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 64 |  | 53 |  | 8 |
Operating Segments [Member] | Carrier Network [Member] | Optical Communications [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 2,194 |  | 2,036 |  | 1,782 |
Operating Segments [Member] | Enterprise Network [Member] | Optical Communications [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 786 |  | 616 |  | 544 |
Operating Segments [Member] | Automative and Other [Member] | Environmental Technologies [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 528 |  | 528 |  | 485 |
Operating Segments [Member] | Diesel [Member] | Environmental Technologies [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 525 |  | 564 |  | 434 |
Operating Segments [Member] | Corning Gorilla Glass [Member] | Specialty Materials [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 810 |  | 846 |  | 848 |
Operating Segments [Member] | Advanced Optics and Other Specialty Glass [Member] | Specialty Materials [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 297 |  | 359 |  | 322 |
Operating Segments [Member] | Labware [Member] | Life Sciences [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 512 |  | 536 |  | 529 |
Operating Segments [Member] | Cell Culture Products [Member] | Life Sciences [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 309 |  | $ 326 |  | $ 322 |
[1] | Net sales are attributed to countries based on location of customer.

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