Segment Information (Schedule of Business Segments) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Net sales		$ 9,673	$ 8,537	$ 5,655
Other (charges) gains, net		(8)	3	(39)
Operating profit (loss)		1,378	1,946	664
Equity in net earnings (loss) of affiliates		220	146	134
Gain (loss) on sale of investments in affiliates		0	0	1,408
Depreciation and amortization		462	371	350
Capital expenditures	[1]	583	490	348
Goodwill and intangible assets, net		11,247	2,147
Total assets		26,272	11,975
Increase (decrease) in accrued capital expenditures		40	23	(16)
Engineered Materials [Member]
Segment Reporting Information [Line Items]
Net sales		4,024	2,718	2,081
Equity in net earnings (loss) of affiliates	[2]	209	133	120
Acetyl Chain [Member]
Segment Reporting Information [Line Items]
Net sales	[3]	5,649	5,819	3,574
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Equity in net earnings (loss) of affiliates		11	13	14
Operating Segments [Member] | Engineered Materials [Member]
Segment Reporting Information [Line Items]
Net sales		4,024	2,718	2,081
Other (charges) gains, net		(7)	6	(36)
Operating profit (loss)		429	411	235
Equity in net earnings (loss) of affiliates		202	126	115
Gain (loss) on sale of investments in affiliates				1,408
Depreciation and amortization		226	144	134
Capital expenditures		178	154	106
Goodwill and intangible assets, net		10,826	1,714
Total assets		20,611	5,363
Operating Segments [Member] | Acetyl Chain [Member]
Segment Reporting Information [Line Items]
Net sales	[4]	5,743	5,894	3,634
Other (charges) gains, net		0	1	6
Operating profit (loss)		1,447	1,875	681
Equity in net earnings (loss) of affiliates		7	7	5
Gain (loss) on sale of investments in affiliates				0
Depreciation and amortization		213	210	199
Capital expenditures		352	311	208
Goodwill and intangible assets, net		421	433
Total assets		5,471	5,526
Corporate, Non-Segment [Member] | Corporate and Other [Member]
Segment Reporting Information [Line Items]
Net sales		0	0	0
Other (charges) gains, net		(1)	(4)	(9)
Operating profit (loss)		(498)	(340)	(252)
Equity in net earnings (loss) of affiliates		11	13	14
Gain (loss) on sale of investments in affiliates				0
Depreciation and amortization		23	17	17
Capital expenditures		53	25	34
Goodwill and intangible assets, net		0	0
Total assets		190	1,086
Intersegment [Member]
Segment Reporting Information [Line Items]
Net sales		(94)	(75)	(60)
Other (charges) gains, net		0	0	0
Operating profit (loss)		0	0	0
Equity in net earnings (loss) of affiliates		0	0	0
Gain (loss) on sale of investments in affiliates				0
Depreciation and amortization		0	0	0
Capital expenditures		0	0	0
Goodwill and intangible assets, net		0	0
Total assets		0	0
Intersegment [Member] | Acetyl Chain [Member]
Segment Reporting Information [Line Items]
Net sales		$ 94	$ 75	$ 60

[1] Includes an increase in accrued capital expenditures of $40 million, an increase in accrued capital expenditures of $23 million and a decrease in accrued capital expenditures of $16 million for the years ended December 31, 2022, 2021 and 2020, respectively.

[2] Engineered Materials includes an equity method investment with losses in excess of its carrying amount due to the Company's guarantee of various debt obligations under agreements with third parties related to an equity affiliate (Note 19). This equity method investment was recorded in Current other liabilities (Note 10) as of December 31, 2022.

[3] Excludes intersegment sales of $94 million, $75 million and $60 million for the years ended December 31, 2022, 2021 and 2020, respectively.

[4] Includes intersegment sales of $94 million, $75 million and $60 million for the years ended December 31, 2022, 2021 and 2020, respectively.