Unaudited Interim Consolidated Statement of Operations - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Net sales	$ 1,771	$ 1,566	$ 5,466	$ 4,547
Cost of sales	(1,255)	(1,183)	(3,914)	(3,449)
Gross profit	516	383	1,552	1,098
Selling, general and administrative expenses	(129)	(133)	(412)	(353)
Amortization of intangible assets	(5)	(5)	(18)	(14)
Research and development expenses	(18)	(19)	(54)	(53)
Other (charges) gains, net	12	0	9	(57)
Foreign exchange gain (loss), net	0	4	2	0
Gain (loss) on disposition of businesses and assets, net	(2)	(1)	(4)	(4)
Operating profit (loss)	374	229	1,075	617
Equity in net earnings (loss) of affiliates	66	50	180	135
Non-operating pension and other postretirement employee benefit (expense) income	25	23	77	67
Interest expense	(30)	(32)	(95)	(91)
Interest income	2	1	4	2
Dividend income - cost investments	26	24	92	82
Other income (expense), net	(1)	(6)	3	(2)
Earnings (loss) from continuing operations before tax	462	289	1,336	810
Income tax (provision) benefit	(54)	(57)	(216)	(153)
Earnings (loss) from continuing operations	408	232	1,120	657
Earnings (loss) from operation of discontinued operations	(7)	(5)	(9)	(14)
Income tax (provision) benefit from discontinued operations	1	1	1	2
Earnings (loss) from discontinued operations	(6)	(4)	(8)	(12)
Net earnings (loss)	402	228	1,112	645
Net (earnings) loss attributable to noncontrolling interests	(1)	(2)	(4)	(5)
Net earnings (loss) attributable to Celanese Corporation	401	226	1,108	640
Amounts attributable to Celanese Corporation
Earnings (loss) from continuing operations	407	230	1,116	652
Earnings (loss) from discontinued operations	(6)	(4)	(8)	(12)
Net earnings (loss)	$ 401	$ 226	$ 1,108	$ 640
Earnings (loss) per common share - basic
Continuing operations	$ 3.02	$ 1.68	$ 8.25	$ 4.71
Discontinued operations	(0.04)	(0.03)	(0.06)	(0.09)
Net earnings (loss) - basic	2.98	1.65	8.19	4.62
Earnings (loss) per common share - diluted
Continuing operations	3.00	1.68	8.18	4.69
Discontinued operations	(0.04)	(0.03)	(0.06)	(0.09)
Net earnings (loss) - diluted	$ 2.96	$ 1.65	$ 8.12	$ 4.60
Weighted average shares - basic	134,519,301	136,579,077	135,336,704	138,599,330
Weighted average shares - diluted	135,499,390	136,951,923	136,387,703	138,988,321