Consolidated Statements of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net earnings (loss)	$ 195	$ 142
Other comprehensive income (loss), net of tax
Unrealized gain (loss) on marketable securities	0	0
Foreign currency translation	5	(31)
Gain (loss) on interest rate swaps	(3)	1
Pension and postretirement benefits	(12)	0
Total other comprehensive income (loss), net of tax	(10)	(30)
Total comprehensive income (loss), net of tax	185	112
Comprehensive (income) loss attributable to noncontrolling interests	1	0
Comprehensive income (loss) attributable to Celanese Corporation	$ 186	$ 112