v3.26.3
EARNINGS AND DIVIDENDS PER SHARE (Tables)
 9 Months Ended
Sep. 30, 2026
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:
Third QuarterFirst Nine Months
(In millions, except per share amounts)2026202520262025
Numerator
Earnings attributable to Eastman, net of tax $252 $69 $542 $391 
Denominator
Weighted average shares used for basic EPS114.3114.4114.3114.9
Dilutive effect of stock options and other awards1.01.01.01.1
Weighted average shares used for diluted EPS115.3115.4115.3116.0
(Calculated using whole dollars and shares)
EPS
Basic$2.21 $0.60 $4.75 $3.41 
Diluted$2.19 $0.60 $4.70 $3.38