Earnings (Loss) Per Share (Tables)

9 Months Ended

Sep. 30, 2011

Earnings Per Share [Abstract]

Schedule of Earnings (Loss) Per Share

	Three Months Ended September 30,
	2011		2010
	Basic	Diluted	Basic		Diluted
	(In $ millions, except share and per share data)
Amounts attributable to Celanese Corporation
Earnings (loss) from continuing operations	167	167	147		147
Earnings (loss) from discontinued operations	—	—	(2	)	(2	)
Net earnings (loss)	167	167	145		145
Cumulative preferred stock dividends	—	—	—		—
Net earnings (loss) available to common shareholders	167	167	145		145
Weighted-average shares - basic	156,194,459	156,194,459	155,859,508		155,859,508
Dilutive stock options		1,898,195			1,670,850
Dilutive restricted stock units		926,185			353,190
Assumed conversion of preferred stock		—			—
Weighted-average shares - diluted		159,018,839			157,883,548
Per share
Earnings (loss) from continuing operations	1.07	1.05	0.94		0.93
Earnings (loss) from discontinued operations	—	—	(0.01	)	(0.01	)
Net earnings (loss)	1.07	1.05	0.93		0.92

	Nine Months Ended September 30,
	2011		2010
	Basic	Diluted	Basic		Diluted
	(In $ millions, except share and per share data)
Amounts attributable to Celanese Corporation
Earnings (loss) from continuing operations	510	510	323		323
Earnings (loss) from discontinued operations	2	2	(4	)	(4	)
Net earnings (loss)	512	512	319		319
Cumulative preferred stock dividends	—	—	(3	)	—
Net earnings (loss) available to common shareholders	512	512	316		319
Weighted-average shares - basic	156,147,982	156,147,982	154,173,120		154,173,120
Dilutive stock options		1,975,911			1,793,318
Dilutive restricted stock units		841,918			364,374
Assumed conversion of preferred stock		—			2,077,591
Weighted-average shares - diluted		158,965,811			158,408,403
Per share
Earnings (loss) from continuing operations	3.27	3.21	2.08		2.04
Earnings (loss) from discontinued operations	0.01	0.01	(0.03	)	(0.03	)
Net earnings (loss)	3.28	3.22	2.05		2.01

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

Securities not included in the computation of diluted net earnings per share as their effect would have been antidilutive are as follows:

	Three Months Ended September 30,		Nine Months Ended September 30,
	2011	2010	2011	2010
Stock options	—	543,250	60,208	579,000
Restricted stock units	1,008	68,193	336	22,731
Convertible preferred stock	—	—	—	—
Total	1,008	611,443	60,544	601,731