Earnings (Loss) Per Share (Tables)

6 Months Ended

Jun. 30, 2016

Earnings Per Share [Abstract]

Schedule of Earnings (Loss) Per Share

	Three Months Ended June 30,			Six Months Ended June 30,
	2016	2015		2016	2015
	(In $ millions, except share data)
Amounts attributable to Celanese Corporation
Earnings (loss) from continuing operations	221	207		477	443
Earnings (loss) from discontinued operations	—	(2	)	1	(2	)
Net earnings (loss)	221	205		478	441
Weighted average shares - basic	146,482,612	153,480,175		146,947,923	153,349,071
Incremental shares attributable to equity awards	583,076	510,758		644,608	596,395
Weighted average shares - diluted	147,065,688	153,990,933		147,592,531	153,945,466