Unaudited Interim Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net earnings (loss)	$ 151	$ 252	$ 586	$ 705
Other comprehensive income (loss), net of tax
Unrealized gain (loss) on marketable securities	1	0	0	0
Foreign currency translation	(11)	(124)	(130)	(141)
Gain (loss) on cash flow hedges	(1)	(5)	2	(11)
Pension and postretirement benefits	0	(8)	1	(34)
Total other comprehensive income (loss), net of tax	(11)	(137)	(127)	(186)
Total comprehensive income (loss), net of tax	140	115	459	519
Comprehensive (income) loss attributable to noncontrolling interests	10	1	16	3
Comprehensive income (loss) attributable to Celanese Corporation	$ 150	$ 116	$ 475	$ 522