Consolidated Statements of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012		Sep. 30, 2013	Sep. 30, 2012
Net earnings (loss)	$ 172	$ 127	[1]	$ 447	$ 541	[1]
Other comprehensive income (loss), net of tax
Unrealized gain (loss) on marketable securities	1	0		1	0
Foreign currency translation	42	28		37	4
Gain (loss) on interest rate swaps	1	(2)		4	(1)
Pension and postretirement benefits	0	0	[1]	0	(6)	[1]
Total other comprehensive income (loss), net of tax	44	26	[1]	42	(3)	[1]
Total comprehensive income (loss), net of tax	216	153	[1]	489	538	[1]
Comprehensive (income) loss attributable to noncontrolling interests	0	0		0	0
Comprehensive income (loss) attributable to Celanese Corporation	$ 216	$ 153	[1]	$ 489	$ 538	[1]

[1] As Adjusted (Note 1)