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Earnings (Loss) Per Common Share (Tables) | 12 Months Ended
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Dec. 31, 2018
Earnings (Loss) Per Common Share [Abstract] |
Computation of Basic and Diluted Earnings (Loss) per Common Share |
﻿ |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |
﻿ | Years ended December 31,
﻿ | 2018 |  | 2017 |  | 2016
﻿Net income (loss) attributable to Corning Incorporated | $ | 1,066 |  | $ | (497) |  | $ | 3,695
﻿Less: Series A convertible preferred stock dividend |  | 98 |  |  | 98 |  |  | 98
﻿Net income (loss) available to common stockholders - basic |  | 968 |  |  | (595) |  |  | 3,597
﻿Plus: Series A convertible preferred stock dividend |  | 98 |  |  |  |  |  | 98
﻿Net income (loss) available to common stockholders - diluted | $ | 1,066 |  | $ | (595) |  | $ | 3,695
﻿ |  |  |  |  |  |  |  |
﻿Weighted-average common shares outstanding - basic |  | 816 |  |  | 895 |  |  | 1,020
﻿Effect of dilutive securities: |  |  |  |  |  |  |  |
﻿Stock options and other dilutive securities |  | 10 |  |  |  |  |  | 9
﻿Series A convertible preferred stock (1) |  | 115 |  |  |  |  |  | 115
﻿Weighted-average common shares outstanding - diluted |  | 941 |  |  | 895 |  |  | 1,144
﻿Basic earnings (loss) per common share | $ | 1.19 |  | $ | (0.66) |  | $ | 3.53
﻿Diluted earnings (loss) per common share | $ | 1.13 |  | $ | (0.66) |  | $ | 3.23
﻿ |  |  |  |  |  |  |  |
﻿Anti-dilutive potential shares excluded from diluted earnings (loss) per common share: |  |  |  |  |  |  |  |
﻿Series A convertible preferred stock dividend (1) |  |  |  |  | 115 |  |  |
﻿Employee stock options and awards |  | 2 |  |  | 13 |  |  | 15
﻿Accelerated share repurchase forward contract |  |  |  |  |  |  |  |
﻿Total |  | 2 |  |  | 128 |  |  | 15
﻿

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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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