FAIR VALUE MEASUREMENTS (Basis of Fair Value Measurements on a Nonrecurring Basis) (Details) - USD ($) $ in Millions	3 Months Ended				12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net					$ 528	$ 118	$ 6
2023 Restructuring Program
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net	$ 14		$ 8	$ 541	535
Performance Materials & Coatings [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net					49	6	10
Performance Materials & Coatings [Member] | 2023 Restructuring Program
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net					49
Corporate Segment [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net					428	31	(13)
Corporate Segment [Member] | 2023 Restructuring Program
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net					435
Packaging & Specialty Plastics [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net					1	8	8
Packaging & Specialty Plastics [Member] | 2023 Restructuring Program
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net					1
Industrial Intermediates & Infrastructure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net					50	$ 73	$ 1
Industrial Intermediates & Infrastructure [Member] | 2023 Restructuring Program
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net					50
Fair Value, Measurements, Nonrecurring | Changes Measurement [Member] | Leased Assets and Non-Manufacturing Facilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets at fair value	191				191
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3 [Member] | Leased Assets and Non-Manufacturing Facilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets at fair value	9				9
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3 [Member] | Leased, Non-manufacturing Facilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets at fair value	$ 9				9
Asset write-downs and write-offs [Member] | 2023 Restructuring Program
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net		$ 191			191
Asset write-downs and write-offs [Member] | Performance Materials & Coatings [Member] | 2023 Restructuring Program
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net					49
Asset write-downs and write-offs [Member] | Corporate Segment [Member] | 2023 Restructuring Program
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net					91
Asset write-downs and write-offs [Member] | Packaging & Specialty Plastics [Member] | 2023 Restructuring Program
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net					1
Asset write-downs and write-offs [Member] | Industrial Intermediates & Infrastructure [Member] | 2023 Restructuring Program
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net					$ 50