Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2018		Dec. 31, 2017
Current Assets
Cash and cash equivalents (variable interest entity restricted - 2018: $24; 2017: $19)	$ 439		$ 576
Trade receivables - third party and affiliates (net of allowance for doubtful accounts - 2018: $10; 2017: $9; variable interest entity restricted - 2018: $6; 2017: $5)	1,017		986
Non-trade receivables, net	301		244
Inventories	1,046		900
Marketable securities, at fair value	31		32
Other assets	40		54
Total current assets	2,874		2,792
Investments in affiliates	979		976
Property, plant and equipment (net of accumulated depreciation - 2018: $2,803; 2017: $2,584; variable interest entity restricted - 2018: $659; 2017: $697)	3,719		3,762
Deferred income taxes	84		366
Other assets (variable interest entity restricted - 2018: $5; 2017: $6)	290		338
Goodwill	1,057	[1]	1,003
Intangible assets, net (variable interest entity restricted - 2018: $23; 2017: $25)	310		301
Total assets	9,313		9,538
Current Liabilities
Short-term borrowings and current installments of long-term debt - third party and affiliates	561		326
Trade payables - third party and affiliates	819		807
Other liabilities	343		354
Income taxes payable	56		72
Total current liabilities	1,779		1,559
Long-term debt, net of unamortized deferred financing costs	2,970		3,315
Deferred income taxes	255		211
Uncertain tax positions	158		156
Benefit obligations	564		585
Other liabilities	208		413
Commitments and Contingencies
Stockholders' Equity
Preferred stock, $0.01 par value, 100,000,000 shares authorized (2018 and 2017: 0 issued and outstanding)	0		0
Common stock, $0.0001 par value, 400,000,000 shares authorized (2018: 168,418,954 issued and 128,095,849 outstanding; 2017: 168,156,969 issued and 135,769,256 outstanding)	0		0
Treasury stock, at cost (2018: 40,323,105 shares; 2017: 32,387,713 shares)	(2,849)		(2,031)
Additional paid-in capital	233		175
Retained earnings	5,847		4,920
Accumulated other comprehensive income (loss), net	(247)		(177)
Total Celanese Corporation stockholders' equity	2,984		2,887
Noncontrolling interests	395		412
Total equity	3,379		3,299
Total liabilities and equity	$ 9,313		$ 9,538

[1] There were $0 million of accumulated impairment losses as of December 31, 2018.