Unaudited Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2021		Dec. 31, 2020
Current Assets
Cash and cash equivalents	$ 1,054		$ 955
Trade receivables - third party and affiliates	1,218		792
Non-trade receivables, net	570		450
Inventories	1,118		978
Marketable securities	29		533
Other assets	72		55
Total current assets	4,061		3,763
Investments in affiliates	818		820
Property, plant and equipment (net of accumulated depreciation - 2021: $3,409; 2020: $3,279)	3,922		3,939
Operating Lease, Right-of-Use Asset	215		232
Deferred income taxes	257		259
Other assets	500		411
Goodwill	1,143	[1]	1,166
Intangible assets, net	304		319
Total assets	11,220		10,909
Current Liabilities
Short-term borrowings and current installments of long-term debt - third party and affiliates	500		496
Trade payables - third party and affiliates	998		797
Other liabilities	531		680
Income taxes payable	100		0
Total current liabilities	2,129		1,973
Long-term debt, net of unamortized deferred financing costs	3,156		3,227
Deferred income taxes	526		509
Uncertain tax positions	260		240
Benefit obligations	611		643
Operating Lease, Liability, Noncurrent	181		208
Other liabilities	200		214
Commitments and Contingencies
Stockholders' Equity
Preferred stock, $0.01 par value, 100,000,000 shares authorized (2021 and 2020: 0 issued and outstanding)	0		0
Common stock, $0.0001 par value, 400,000,000 shares authorized (2021: 169,717,319 issued and 111,115,442 outstanding; 2020: 169,402,979 issued and 114,168,464 outstanding)	0		0
Treasury stock, at cost (2021: 58,601,877 shares; 2020: 55,234,515 shares)	(4,993)		(4,494)
Additional paid-in capital	292		257
Retained earnings	8,797		8,091
Accumulated other comprehensive income (loss), net	(298)		(328)
Total Celanese Corporation stockholders' equity	3,798		3,526
Noncontrolling interests	359		369
Total equity	4,157		3,895
Total liabilities and equity	$ 11,220		$ 10,909

[1] There were no accumulated impairment losses as of June 30, 2021.