RESTRUCTURING, GOODWILL IMPAIRMENT AND ASSET RELATED CHARGES - NET (Goodwill Impairment and Asset Related Charges) (Details) - USD ($) $ in Millions	3 Months Ended			12 Months Ended
	Dec. 31, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Restructuring Cost and Reserve [Line Items]
Asset Impairment Charges					$ 118
Restructuring and asset related charges - net				$ 528	118	$ 6
2023 Restructuring Program
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net	$ 14	$ 8	$ 541	535
Restructuring Reserve	$ 122			122
Performance Materials & Coatings [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net				49	6	10
Performance Materials & Coatings [Member] | 2023 Restructuring Program
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net				49
Packaging & Specialty Plastics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net				1	8	8
Packaging & Specialty Plastics [Member] | 2023 Restructuring Program
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net				1
Corporate Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net				428	31	(13)
Corporate Segment [Member] | 2023 Restructuring Program
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net				435
Industrial Intermediates & Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net				50	73	$ 1
Industrial Intermediates & Infrastructure [Member] | 2023 Restructuring Program
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net				50
Fair Value, Measurements, Nonrecurring | Performance Materials & Coatings [Member]
Restructuring Cost and Reserve [Line Items]
Asset Impairment Charges					6
Fair Value, Measurements, Nonrecurring | Packaging & Specialty Plastics [Member]
Restructuring Cost and Reserve [Line Items]
Asset Impairment Charges					8
Fair Value, Measurements, Nonrecurring | Corporate Segment [Member]
Restructuring Cost and Reserve [Line Items]
Asset Impairment Charges				$ 7	31
Fair Value, Measurements, Nonrecurring | Industrial Intermediates & Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Asset Impairment Charges					$ 73