Earnings (Loss) Per Share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Schedule of Earnings (Loss) Per Share

	Three Months Ended June 30,		Six Months Ended June 30,
	2013	2012	2013	2012
		As Adjusted (Note 1)		As Adjusted (Note 1)
	(In $ millions, except share and per share data)
Amounts Attributable to Celanese Corporation
Earnings (loss) from continuing operations	133	221	274	414
Earnings (loss) from discontinued operations	—	—	1	—
Net earnings (loss) available to common stockholders	133	221	275	414
Weighted average shares - basic	159,676,462	158,163,378	159,679,408	157,370,137
Dilutive stock options	213,834	1,014,359	216,890	1,434,687
Dilutive restricted stock units	251,860	600,518	242,661	641,919
Weighted average shares - diluted	160,142,156	159,778,255	160,138,959	159,446,743

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 June 30,		Six Months Ended June 30,
	2013	2012	2013	2012
Stock options	95,225	15,016	94,329	7,508
Restricted stock units	—	7,946	—	7,946
Total	95,225	22,962	94,329	15,454