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Earnings (Loss) Per Common Share (Tables) | 3 Months Ended
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Mar. 31, 2019
Earnings (Loss) Per Common Share [Abstract] |
Computation of Basic and Diluted Earnings (Loss) per Common Share | ﻿ ﻿
﻿ |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿ |  | Three Months Ended
﻿ |  | March 31,
﻿ |  | 2019 |  | 2018
﻿Net income (loss) attributable to Corning Incorporated |  | $ | 499 |  | $ | (589)
﻿Less: Series A convertible preferred stock dividend |  |  | 24 |  |  | 24
﻿Net income (loss) available to common stockholders – basic |  |  | 475 |  |  | (613)
﻿Plus: Series A convertible preferred stock dividend |  |  | 24 |  |  |
﻿Net income (loss) available to common stockholders – diluted |  | $ | 499 |  | $ | (613)
﻿ |  |  |  |  |  |
﻿Weighted-average common shares outstanding – basic |  |  | 784 |  |  | 848
﻿Effect of dilutive securities: |  |  |  |  |  |
﻿Employee stock options and other dilutive securities |  |  | 9 |  |  |
﻿Series A convertible preferred stock |  |  | 115 |  |  |
﻿Weighted-average common shares outstanding – diluted |  |  | 908 |  |  | 848
﻿Basic earnings (loss) per common share |  | $ | 0.61 |  | $ | (0.72)
﻿Diluted earnings (loss) per common share |  | $ | 0.55 |  | $ | (0.72)
﻿ |  |  |  |  |  |
﻿Antidilutive potential shares excluded from diluted earnings per common share: |  |  |  |  |  |
﻿Series A convertible preferred stock (1) |  |  |  |  |  | 115
﻿Employee stock options and awards |  |  |  |  |  | 11
﻿Total |  |  |  |  |  | 126
﻿ |  |  |  |  |  |
For the quarter ended March 31, 2018 the Series A preferred stock was anti-dilutive and therefore excluded from the calculation of diluted loss per share

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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