Earnings (Loss) Per Share (Tables)

9 Months Ended

Sep. 30, 2016

Earnings Per Share [Abstract]

Schedule of Earnings (Loss) Per Share

	Three Months Ended September 30,			Nine Months Ended September 30,
	2016		2015	2016		2015
	(In $ millions, except share data)
Amounts attributable to Celanese Corporation
Earnings (loss) from continuing operations	265		161	742		604
Earnings (loss) from discontinued operations	(3	)	—	(2	)	(2	)
Net earnings (loss)	262		161	740		602
Weighted average shares - basic	144,005,098		149,800,029	145,959,821		152,153,057
Incremental shares attributable to equity awards	596,367		1,204,052	625,739		1,267,392
Weighted average shares - diluted	144,601,465		151,004,081	146,585,560		153,420,449