Consolidated Balance Sheets (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Current assets
Cash and cash equivalents	$ 741	$ 740
Trade receivables - third party and affiliates (net of allowance for doubtful accounts - 2011: $9; 2010: $12)	1,027	827
Non-trade receivables, net	239	253
Inventories	779	610
Deferred income taxes	95	92
Marketable securities, at fair value	70	78
Assets held for sale	0	9
Other assets	63	59
Total current assets	3,014	2,668
Investments in affiliates	838	838
Property, plant and equipment (net of accumulated depreciation - 2011: 1,261; 2010: $1,131)	3,273	3,017
Deferred income taxes	434	443
Other assets	309	289
Goodwill	813	774
Intangible assets, net	238	252
Total assets	8,919	8,281
Current liabilities
Short-term borrowings and current installments of long-term debt - third party and affiliates	155	228
Trade payables - third party and affiliates	786	673
Other liabilities	575	596
Deferred income taxes	30	28
Income taxes payable	95	17
Total current liabilities	1,641	1,542
Long-term debt	2,893	2,990
Deferred income taxes	124	116
Uncertain tax positions	290	273
Benefit obligations	1,321	1,359
Other liabilities	1,277	1,075
Commitments and contingencies
Shareholders' equity
Preferred stock, $0.01 par value, 100,000,000 shares authorized (2011 and 2010: 0 issued and outstanding)	0	0
Treasury stock, at cost (2011: 22,543,031 shares; 2010: 22,269,278 shares)	(842)	(829)
Additional paid-in capital	601	574
Retained earnings	2,180	1,851
Accumulated other comprehensive income (loss), net	(566)	(670)
Total Celanese Corporation shareholders' equity	1,373	926
Noncontrolling interests	0	0
Total shareholders' equity	1,373	926
Total liabilities and shareholders' equity	8,919	8,281
Series A common stock, $0.0001 par value, 400,000,000 shares authorized (2011: 178,886,161 issued and 156,343,130 outstanding; 2010: 178,028,571 issued and 155,759,293 outstanding)
Shareholders' equity
Common stock	0	0
Series B common stock, $0.0001 par value, 100,000,000 shares authorized (2011 and 2010: 0 issued and outstanding)
Shareholders' equity
Common stock	$ 0	$ 0