Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net earnings (loss)	$ 285	$ 620	$ 1,101
Other comprehensive income (loss), net of tax
Unrealized gain (loss) on marketable securities	0	1	1
Foreign currency translation	(188)	(148)	20
Gain (loss) on cash flow hedges	2	40	6
Pension and postretirement benefits	3	(54)	58
Total other comprehensive income (loss), net of tax	(183)	(161)	85
Total comprehensive income (loss), net of tax	102	459	1,186
Comprehensive (income) loss attributable to noncontrolling interests	19	4	0
Comprehensive income (loss) attributable to Celanese Corporation	$ 121	$ 463	$ 1,186