Earnings (Loss) Per Share (Tables)

9 Months Ended

Sep. 30, 2019

Earnings Per Share [Abstract]

Schedule of Earnings (Loss) Per Share

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
	(In $ millions, except share data)
Amounts attributable to Celanese Corporation
Earnings (loss) from continuing operations	268		407		816		1,116
Earnings (loss) from discontinued operations	(5	)	(6	)	(7	)	(8	)
Net earnings (loss)	263		401		809		1,108
Weighted average shares - basic	122,699,859		134,519,301		125,159,647		135,336,704
Incremental shares attributable to equity awards	599,805		980,089		709,182		1,050,999
Weighted average shares - diluted	123,299,664		135,499,390		125,868,829		136,387,703