Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net earnings (loss)	$ 906	$ 285	$ 620
Other comprehensive income (loss), net of tax
Unrealized gain (loss) on marketable securities	0	0	1
Foreign currency translation	(11)	(188)	(148)
Gain (loss) on cash flow hedges	5	2	40
Pension and postretirement benefits	(4)	3	(54)
Total other comprehensive income (loss), net of tax	(10)	(183)	(161)
Total comprehensive income (loss), net of tax	896	102	459
Comprehensive (income) loss attributable to noncontrolling interests	(6)	19	4
Comprehensive income (loss) attributable to Celanese Corporation	$ 890	$ 121	$ 463