Consolidated Statements of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net earnings (loss)	$ 1,101	$ 372	$ 427
Other comprehensive income (loss), net of tax
Unrealized gain (loss) on marketable securities	1	0	0
Foreign currency translation	20	5	(27)
Gain (loss) on interest rate swaps	6	7	27
Pension and postretirement benefits	58	(11)	0
Total other comprehensive income (loss), net of tax	85	1	0
Total comprehensive income (loss), net of tax	1,186	373	427
Comprehensive (income) loss attributable to noncontrolling interests	0	0	0
Comprehensive income (loss) attributable to Celanese Corporation	$ 1,186	$ 373	$ 427