Earnings (Loss) Per Share

3 Months Ended

Mar. 31, 2012

Earnings Per Share [Abstract]

Earnings (Loss) Per Share

Earnings (Loss) Per Share

	Three Months Ended March 31,
	2012		2011
	Basic	Diluted	Basic	Diluted
	(In $ millions, except share and per share data)
Amounts attributable to Celanese Corporation
Earnings (loss) from continuing operations	183	183	138	138
Earnings (loss) from discontinued operations	—	—	4	4
Net earnings (loss)	183	183	142	142
Cumulative preferred stock dividends	—	—	—	—
Net earnings (loss) available to common stockholders	183	183	142	142
Weighted-average shares - basic	156,542,424	156,542,424	155,966,259	155,966,259
Dilutive stock options		1,855,015		1,992,598
Dilutive restricted stock units		683,321		707,830
Assumed conversion of preferred stock		—		—
Weighted-average shares - diluted		159,080,760		158,666,687
Per share
Earnings (loss) from continuing operations	1.17	1.15	0.88	0.87
Earnings (loss) from discontinued operations	—	—	0.03	0.03
Net earnings (loss)	1.17	1.15	0.91	0.90

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
	March 31,
	2012	2011
Stock options	—	180,625
Restricted stock units	—	—
Total	—	180,625