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Earnings (Loss) Per Share (Tables)

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Schedule of Earnings (Loss) Per Share



	Year Ended December 31,
	2017			2016			2015
	(In $ millions, except share data)
Amounts attributable to Celanese Corporation
Earnings (loss) from continuing operations	856			902			306
Earnings (loss) from discontinued operations	(13	)		(2	)		(2	)
Net earnings (loss)	843			900			304

Weighted average shares - basic	137,902,667			144,939,433			150,838,050
Incremental shares attributable to equity awards⁽¹⁾	414,728			728,748			1,449,905
Weighted average shares - diluted	138,317,395			145,668,181			152,287,955

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⁽¹⁾	Excludes 29, 836 and 2,903 equity award shares for the years ended December 31, 2017, 2016 and 2015, respectively, as their effect would have been antidilutive.