Unaudited Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2021		Dec. 31, 2020
Current Assets
Cash and cash equivalents	$ 791		$ 955
Trade receivables - third party and affiliates	959		792
Non-trade receivables, net	551		450
Inventories	1,025		978
Marketable securities	331		533
Other assets	53		55
Total current assets	3,710		3,763
Investments in affiliates	796		820
Property, plant and equipment (net of accumulated depreciation - 2021: $3,309; 2020: $3,279)	3,876		3,939
Operating Lease, Right-of-Use Asset	221		232
Deferred income taxes	255		259
Other assets	456		411
Goodwill	1,134	[1]	1,166
Intangible assets, net	308		319
Total assets	10,756		10,909
Current Liabilities
Short-term borrowings and current installments of long-term debt - third party and affiliates	497		496
Trade payables - third party and affiliates	906		797
Other liabilities	489		680
Income taxes payable	43		0
Total current liabilities	1,935		1,973
Long-term debt, net of unamortized deferred financing costs	3,135		3,227
Deferred income taxes	530		509
Uncertain tax positions	255		240
Benefit obligations	616		643
Operating Lease, Liability, Noncurrent	187		208
Other liabilities	191		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: 169,699,069 issued and 112,632,584 outstanding; 2020: 169,402,979 issued and 114,168,464 outstanding)	0		0
Treasury stock, at cost (2021: 57,066,485 shares; 2020: 55,234,515 shares)	(4,744)		(4,494)
Additional paid-in capital	253		257
Retained earnings	8,335		8,091
Accumulated other comprehensive income (loss), net	(302)		(328)
Total Celanese Corporation stockholders' equity	3,542		3,526
Noncontrolling interests	365		369
Total equity	3,907		3,895
Total liabilities and equity	$ 10,756		$ 10,909

[1] There were no accumulated impairment losses as of March 31, 2021.