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EARNINGS AND DIVIDENDS PER SHARE (Tables)
6 Months Ended
Jun. 30, 2022
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") which are calculated using the treasury stock method:
 Second QuarterFirst Six Months
(In millions, except per share amounts)2022202120222021
Numerator
Earnings (loss) attributable to Eastman, net of tax $256 $(146)$491 $128 
Denominator
Weighted average shares used for basic EPS124.8135.9126.9136.0
Dilutive effect of stock options and other awards (1)
1.61.71.8
Weighted average shares used for diluted EPS126.4135.9128.6137.8
(Calculated using whole dollars and shares)
EPS
Basic$2.05 $(1.07)$3.87 $0.94 
Diluted$2.03 $(1.07)$3.82 $0.93 
(1)Dilutive effect is not applicable in a period with a net loss.