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Note 5 - Earnings Per Common Share - Reconciliation of Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 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 | [1] |  |  |  | 803
Net income available to common shareholders |  | 208 | 371 | 1,352 | 592
Net income available to common shareholders – diluted |  | $ 208 | $ 371 | $ 1,352 | $ 592
Weighted-average common shares outstanding – basic (in shares) |  | 843 | 852 | 843 | 821
Employee stock options and other dilutive securities (in shares) |  | 12 | 14 | 14 | 16
Weighted-average common shares outstanding – diluted (in shares) |  | 855 | 866 | 857 | 837
Basic (Note 5) (in dollars per share) |  | $ 0.25 | $ 0.44 | $ 1.60 | $ 0.72
Diluted (Note 5) (in dollars per share) |  | $ 0.24 | $ 0.43 | $ 1.58 | $ 0.71
Total (in shares) |  | 3 | 0 | 2 | 41
Share-Based Payment Arrangement [Member] |  |  |  |  |
Total (in shares) |  | 3 |  | 2 |
Series A Convertible Preferred Stock [Member] |  |  |  |  |
Series A convertible preferred stock (1) (in shares) | [2] |  |  |  | 41
[1] | Refer to Note 4 (Earnings (Loss) per Common Share) and Note 12 (Shareholders' Equity) to the consolidated financial statements for additional information.
[2] | For the nine months ended September 30, 2021, the Preferred Stock was anti-dilutive; therefore, it was excluded from the calculation of diluted earnings per share.

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