Earnings (Loss) Per Share (Tables)

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

Schedule of Earnings (Loss) Per Share

	Three Months Ended June 30,			Six Months Ended June 30,
	2019		2018	2019		2018
	(In $ millions, except share data)
Amounts attributable to Celanese Corporation
Earnings (loss) from continuing operations	210		344	548		709
Earnings (loss) from discontinued operations	(1	)	—	(2	)	(2	)
Net earnings (loss)	209		344	546		707
Weighted average shares - basic	125,289,967		135,589,717	126,409,926		135,752,179
Incremental shares attributable to equity awards	557,927		719,441	701,120		747,569
Weighted average shares - diluted	125,847,894		136,309,158	127,111,046		136,499,748