Earnings (Loss) Per Share (Tables)

3 Months Ended

Mar. 31, 2019

Earnings Per Share [Abstract]

Schedule of Earnings (Loss) Per Share

	Three Months Ended March 31,
	2019		2018
	(In $ millions, except share data)
Amounts attributable to Celanese Corporation
Earnings (loss) from continuing operations	338		365
Earnings (loss) from discontinued operations	(1	)	(2	)
Net earnings (loss)	337		363
Weighted average shares - basic	127,542,328		135,916,446
Incremental shares attributable to equity awards	673,372		467,289
Weighted average shares - diluted	128,215,700		136,383,735