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Note 5 - Earnings per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2022
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three months ended |  |  | Nine months ended |
|  | September 30, |  |  | September 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Net income attributable to Corning Incorporated |  | $ | 208 |  |  | $ | 371 |  |  | $ | 1,352 |  |  | $ | 1,419 |
Less: Series A convertible preferred stock dividend |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 24 |
Less: Excess consideration paid for redemption of preferred shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 803 |
Net income available to common shareholders – basic |  |  | 208 |  |  |  | 371 |  |  |  | 1,352 |  |  |  | 592 |
Net income available to common shareholders – diluted |  | $ | 208 |  |  | $ | 371 |  |  | $ | 1,352 |  |  | $ | 592 |
Weighted-average common shares outstanding – basic |  |  | 843 |  |  |  | 852 |  |  |  | 843 |  |  |  | 821 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employee stock options and other dilutive securities |  |  | 12 |  |  |  | 14 |  |  |  | 14 |  |  |  | 16 |
Weighted-average common shares outstanding – diluted |  |  | 855 |  |  |  | 866 |  |  |  | 857 |  |  |  | 837 |
Basic earnings per common share |  | $ | 0.25 |  |  | $ | 0.44 |  |  | $ | 1.60 |  |  | $ | 0.72 |
Diluted earnings per common share |  | $ | 0.24 |  |  | $ | 0.43 |  |  | $ | 1.58 |  |  | $ | 0.71 |
Anti-dilutive potential shares excluded from diluted earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series A convertible preferred stock (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 41 |
Employee stock options and awards |  |  | 3 |  |  |  |  |  |  |  | 2 |  |  |  |  |
Total |  |  | 3 |  |  |  | — |  |  |  | 2 |  |  |  | 41 |

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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://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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