Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current Assets
Cash and cash equivalents (variable interest entity restricted - 2014: $6)	$ 1,510	$ 984
Trade receivables - third party and affiliates (net of allowance for doubtful accounts - 2014: $9; 2013: $9)	1,016	867
Non-trade receivables, net	200	343
Inventories	771	804
Deferred income taxes	111	115
Marketable securities, at fair value	36	41
Other assets	43	28
Total current assets	3,687	3,182
Investments in affiliates	857	841
Property, plant and equipment (net of accumulated depreciation - 2014: $1,785; 2013: $1,672; variable interest entity restricted - 2014: $388)	3,618	3,425
Deferred income taxes	296	289
Other assets (variable interest entity restricted - 2014: $24)	365	341
Goodwill	756	798
Intangible assets (net of accumulated amortization - 2014: $567; 2013: $588)	131	142
Total assets	9,710	9,018
Current Liabilities
Short-term borrowings and current installments of long-term debt - third party and affiliates	765	177
Trade payables - third party and affiliates	816	799
Other liabilities	483	541
Deferred income taxes	10	10
Income taxes payable	115	18
Total current liabilities	2,189	1,545
Long-term debt	2,639	2,887
Deferred income taxes	225	225
Uncertain tax positions	150	200
Benefit obligations	1,077	1,175
Other liabilities	295	287
Commitments and Contingencies
Stockholders' Equity
Preferred stock, $0.01 par value, 100,000,000 shares authorized (2014 and 2013: 0 issued and outstanding)	0	0
Treasury stock, at cost (2014: 12,443,438 shares; 2013: 8,928,137 shares)	(562)	(361)
Additional paid-in capital	83	53
Retained earnings	3,613	3,011
Accumulated other comprehensive income (loss), net	(190)	(4)
Total Celanese Corporation stockholders' equity	2,944	2,699
Noncontrolling interests	191	0
Total equity	3,135	2,699
Total liabilities and equity	9,710	9,018
Series A common stock, $0.0001 par value, 400,000,000 shares authorized (2014: 166,075,904 issued and 153,632,466 outstanding; 2013: 165,867,965 issued and 156,939,828 outstanding)
Stockholders' Equity
Common stock	0	0
Series B common stock, $0.0001 par value, 100,000,000 shares authorized (2014 and 2013: 0 issued and outstanding)
Stockholders' Equity
Common stock	$ 0	$ 0