Earnings (Loss) Per Share (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Schedule of Earnings (Loss) Per Share

	Three Months Ended March 31,
	2018		2017
	(In $ millions, except share data)
Amounts attributable to Celanese Corporation
Earnings (loss) from continuing operations	365		183
Earnings (loss) from discontinued operations	(2	)	—
Net earnings (loss)	363		183
Weighted average shares - basic	135,916,446		140,643,860
Incremental shares attributable to equity awards	467,289		353,543
Weighted average shares - diluted	136,383,735		140,997,403