Earnings (Loss) Per Share (Tables)

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Schedule of Earnings (Loss) Per Share

	Three Months Ended September 30,			Nine Months Ended September 30,
	2015	2014		2015		2014
	(In $ millions, except share data)
Amounts attributable to Celanese Corporation
Earnings (loss) from continuing operations	161	258		604		713
Earnings (loss) from discontinued operations	—	(5	)	(2	)	(5	)
Net earnings (loss)	161	253		602		708
Weighted average shares - basic	149,800,029	154,427,554		152,153,057		155,552,777
Incremental shares attributable to equity awards	1,204,052	746,974		1,267,392		772,734
Weighted average shares - diluted	151,004,081	155,174,528		153,420,449		156,325,511