Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2020		Dec. 31, 2019
Current Assets
Cash and cash equivalents	$ 955		$ 463
Trade receivables - third party and affiliates	792		850
Non-trade receivables, net	450		331
Inventories	978		1,038
Marketable securities	533		40
Other assets	55		43
Total current assets	3,763		2,765
Investments in affiliates	820		975
Property, Plant and Equipment, Net	3,939		3,713
Operating lease right-of-use assets	232		203
Deferred income taxes	259		96
Other assets	411		338
Goodwill	1,166	[1]	1,074
Intangible assets, net	319		312
Total assets	10,909		9,476
Current Liabilities
Short-term borrowings and current installments of long-term debt - third party and affiliates	496		496
Trade payables - third party and affiliates	797		780
Other liabilities	680		461
Income taxes payable	0		17
Total current liabilities	1,973		1,754
Long-term debt, net of unamortized deferred financing costs	3,227		3,409
Deferred income taxes	509		257
Uncertain tax positions	240		165
Operating Lease, Liability, Noncurrent	208		181
Benefit obligations	643		589
Other liabilities	214		223
Commitments and Contingencies
Stockholders' Equity
Preferred stock, $0.01 par value, 100,000,000 shares authorized (2020 and 2019: 0 issued and outstanding)	0		0
Common stock, $0.0001 par value, 400,000,000 shares authorized (2020: 169,402,979 issued and 114,168,464 outstanding; 2019: 168,973,172 issued and 119,555,207 outstanding)	0		0
Treasury stock, at cost (2020: 55,234,515 shares; 2019: 49,417,965 shares)	(4,494)		(3,846)
Additional paid-in capital	257		254
Retained earnings	8,091		6,399
Accumulated other comprehensive income (loss), net	(328)		(300)
Total Celanese Corporation stockholders' equity	3,526		2,507
Noncontrolling interests	369		391
Total equity	3,895		2,898
Total liabilities and equity	10,909		9,476
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	$ 3,279		$ 2,957
Preferred stock, par value	$ 0.01		$ 0.01
Preferred stock, shares authorized	100,000,000		100,000,000
Preferred stock, shares outstanding	0		0
Preferred stock, shares issued	0		0
Common stock, shares outstanding	114,168,464		119,555,207
Common stock, shares issued	169,402,979		168,973,172
Common stock, par value	$ 0.0001		$ 0.0001
Common stock, shares authorized	400,000,000		400,000,000
Treasury stock, shares	55,234,515		49,417,965

[1] There were no accumulated impairment losses as of December 31, 2020.