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SEGMENT AND REGIONAL SALES INFORMATION (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) Segment	Sep. 30, 2022 USD ($)
Segment Reporting Information [Line Items]
Number of Operating Segments | Segment			4
Sales [Abstract]
Sales	$ 2,267	$ 2,709	$ 7,003	$ 8,207
Earnings (Loss) Before Interest and Taxes [Abstract]
Earnings before interest and taxes	256	324	825	1,083
Operating Segments [Member]
Sales [Abstract]
Sales	2,266	2,709	7,000	8,047
Earnings (Loss) Before Interest and Taxes [Abstract]
Earnings before interest and taxes	313	363	1,014	1,207
Corporate, Non-Segment [Member]
Sales [Abstract]
Sales	1	0	3	160
Corporate, Non-Segment [Member] | Growth Initiatives and Businesses not Allocated to Segments [Member]
Earnings (Loss) Before Interest and Taxes [Abstract]
Earnings before interest and taxes	(49)	(54)	(145)	(139)
Corporate, Non-Segment [Member] | Pension and OPEB Costs Not Allocated to Operating Segments [Member]
Earnings (Loss) Before Interest and Taxes [Abstract]
Earnings before interest and taxes	(4)	22	(12)	71
Corporate, Non-Segment [Member] | Other Nonoperating Income (Expense) [Member]
Earnings (Loss) Before Interest and Taxes [Abstract]
Earnings before interest and taxes	(4)	0	(24)	(5)
Corporate, Non-Segment [Member] | Transaction costs and Gain/Loss on Business
Earnings (Loss) Before Interest and Taxes [Abstract]
Earnings before interest and taxes	0	(7)	0	(8)
Corporate, Non-Segment [Member] | Steam Line Incident
Earnings (Loss) Before Interest and Taxes [Abstract]
Earnings before interest and taxes	0	0	8	(42)
Corporate, Non-Segment [Member] | Asset impairments and restructuring charges, net
Earnings (Loss) Before Interest and Taxes [Abstract]
Earnings before interest and taxes	0	0	(16)	(1)
Corporate, Non-Segment [Member] | Divested businesses
Earnings (Loss) Before Interest and Taxes [Abstract]
Earnings before interest and taxes				6
Additives And Functional Products [Member]
Earnings (Loss) Before Interest and Taxes [Abstract]
Earnings before interest and taxes	105	143	369	470
Additives And Functional Products [Member] | Operating Segments [Member]
Sales [Abstract]
Sales	670	906	2,194	2,719
Advanced Materials [Member]
Earnings (Loss) Before Interest and Taxes [Abstract]
Earnings before interest and taxes	93	131	278	333
Advanced Materials [Member] | Operating Segments [Member]
Sales [Abstract]
Sales	746	888	2,227	2,471
Chemical Intermediates [Member]
Earnings (Loss) Before Interest and Taxes [Abstract]
Earnings before interest and taxes	6	68	87	322
Chemical Intermediates [Member] | Operating Segments [Member]
Sales [Abstract]
Sales	527	665	1,630	2,152
Fibers [Member]
Earnings (Loss) Before Interest and Taxes [Abstract]
Earnings before interest and taxes	109	21	280	82
Fibers [Member] | Operating Segments [Member]
Sales [Abstract]
Sales	$ 323	$ 250	$ 949	$ 705

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