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EARNINGS AND DIVIDENDS PER SHARE (Tables) | 9 Months Ended
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Sep. 30, 2018
Earnings Per Share [Abstract] |
Earnings per share, basic and diluted | The following table sets forth the computation of basic and diluted earnings per share ("EPS"):
| Third Quarter |  | First Nine Months
(In millions, except per share amounts) | 2018 |  | 2017 |  | 2018 |  | 2017
Numerator |  |  |  |  |  |  |
Earnings attributable to Eastman, net of tax | $ | 412 |  |  | $ | 323 |  |  | $ | 1,046 |  |  | $ | 893 |
Denominator |  |  |  |  |  |  |
Weighted average shares used for basic EPS | 140.6 |  |  | 144.3 |  |  | 141.7 |  |  | 145.2 |
Dilutive effect of stock options and other awards | 1.8 |  |  | 1.2 |  |  | 2.0 |  |  | 1.3 |
Weighted average shares used for diluted EPS | 142.4 |  |  | 145.5 |  |  | 143.7 |  |  | 146.5 |
(Calculated using whole dollars and shares) |  |  |  |  |  |  |
EPS |  |  |  |  |  |  |
Basic | $ | 2.93 |  |  | $ | 2.24 |  |  | $ | 7.38 |  |  | $ | 6.15 |
Diluted | $ | 2.89 |  |  | $ | 2.22 |  |  | $ | 7.28 |  |  | $ | 6.10 |

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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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