Earnings (Loss) Per Share

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Earnings (Loss) Per Share

Earnings (Loss) Per Share

	Year Ended December 31,
	2018		2017		2016
	(In $ millions, except share data)
Amounts attributable to Celanese Corporation
Earnings (loss) from continuing operations	1,212		856		902
Earnings (loss) from discontinued operations	(5	)	(13	)	(2	)
Net earnings (loss)	1,207		843		900
Weighted average shares - basic	134,305,269		137,902,667		144,939,433
Incremental shares attributable to equity awards(1)	1,111,589		414,728		728,748
Weighted average shares - diluted	135,416,858		138,317,395		145,668,181

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⁽¹⁾  Excludes 0, 29 and 836 equity award shares for the years ended December 31, 2018, 2017 and 2016, respectively, as their effect would have been antidilutive.