Consolidated Statements of Operations (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net sales	$ 1,675	$ 1,753	$ 3,308	$ 3,342
Cost of sales	(1,344)	(1,343)	(2,707)	(2,581)
Gross profit	331	410	601	761
Selling, general and administrative expenses	(124)	(140)	(258)	(268)
Amortization of intangible assets	(13)	(17)	(26)	(33)
Research and development expenses	(26)	(25)	(52)	(48)
Other (charges) gains, net	(3)	(18)	(3)	(15)
Foreign exchange gain (loss), net	(1)	(1)	0	0
Gain (loss) on disposition of businesses and assets, net	0	0	0	0
Operating profit (loss)	164	209	262	397
Equity in net earnings (loss) of affiliates	62	46	113	89
Interest expense	(45)	(57)	(90)	(112)
Refinancing expense	0	(3)	0	(3)
Interest income	0	0	1	1
Dividend income - cost investments	84	79	84	79
Other income (expense), net	(1)	6	1	9
Earnings (loss) from continuing operations before tax	264	280	371	460
Income tax (provision) benefit	(54)	(75)	22	(117)
Earnings (loss) from continuing operations	210	205	393	343
Earnings (loss) from operation of discontinued operations	0	(3)	0	3
Gain (loss) on disposition of discontinued operations	0	0	0	0
Income tax (provision) benefit from discontinued operations	0	1	0	(1)
Earnings (loss) from discontinued operations	0	(2)	0	2
Net earnings (loss)	210	203	393	345
Net (earnings) loss attributable to noncontrolling interests	0	0	0	0
Net earnings (loss) attributable to Celanese Corporation	210	203	393	345
Cumulative preferred stock dividends	0	0	0	0
Net earnings (loss) available to common stockholders	210	203	393	345
Amounts attributable to Celanese Corporation
Earnings (loss) from continuing operations	210	205	393	343
Earnings (loss) from discontinued operations	0	(2)	0	2
Net earnings (loss)	$ 210	$ 203	$ 393	$ 345
Earnings (loss) per common share - basic
Continuing operations	$ 1.33	$ 1.31	$ 2.50	$ 2.20
Discontinued operations	$ 0.00	$ (0.01)	$ 0.00	$ 0.01
Net earnings (loss) - basic	$ 1.33	$ 1.30	$ 2.50	$ 2.21
Earnings (loss) per common share - diluted
Continuing operations	$ 1.31	$ 1.29	$ 2.47	$ 2.16
Discontinued operations	$ 0.00	$ (0.01)	$ 0.00	$ 0.01
Net earnings (loss) - diluted	$ 1.31	$ 1.28	$ 2.47	$ 2.17
Weighted average shares - basic	158,128,906	156,280,721	157,335,665	156,124,358
Weighted average shares - diluted	159,740,453	159,209,400	159,410,607	158,938,911