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Note 5 - Earnings Per Common Share | 6 Months Ended
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Jun. 30, 2015
Earnings Per Share [Abstract] |
Earnings Per Share [Text Block] | 5. Earnings per Common Share The following table sets forth the computation of basic and diluted earnings per common share (in millions, except per share amounts):
| Three months ended June 30, |  | Six months ended June 30,
| 2015 |  | 2014 |  | 2015 |  | 2014
Net income attributable to Corning Incorporated | $ | 496 |  | $ | 169 |  | $ | 903 |  | $ | 470
Less: Series A convertible preferred stock dividend |  | 24 |  |  | 24 |  |  | 49 |  |  | 45
Net income available to common stockholders - basic |  | 472 |  |  | 145 |  |  | 854 |  |  | 425
Plus: Series A convertible preferred stock dividend |  | 24 |  |  |  |  |  | 49 |  |  |
Net income available to common stockholders - diluted | $ | 496 |  | $ | 145 |  | $ | 903 |  | $ | 425
Weighted-average common shares outstanding - basic |  | 1,246 |  |  | 1,302 |  |  | 1,257 |  |  | 1,331
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |
Stock options and other dilutive securities |  | 10 |  |  | 13 |  |  | 11 |  |  | 12
Series A convertible preferred stock |  | 115 |  |  |  |  |  | 115 |  |  |
Weighted-average common shares outstanding - diluted |  | 1,371 |  |  | 1,315 |  |  | 1,383 |  |  | 1,343
Basic earnings per common share | $ | 0.38 |  | $ | 0.11 |  | $ | 0.68 |  | $ | 0.32
Diluted earnings per common share | $ | 0.36 |  | $ | 0.11 |  | $ | 0.65 |  | $ | 0.32
Antidilutive potential shares excluded from diluted earnings per common share: |  |  |  |  |  |  |  |  |  |  |
Series A convertible preferred stock |  |  |  |  | 115 |  |  |  |  |  | 106
Employee stock options and awards |  | 20 |  |  | 20 |  |  | 17 |  |  | 24
Accelerated share repurchase forward contract |  |  |  |  |  |  |  |  |  |  | 6
Total |  | 20 |  |  | 135 |  |  | 17 |  |  | 136

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=32703322&loc=d3e4984-109258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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