FAIR VALUE MEASUREMENTS (Summary of Nonrecurring Measured Fair Values) (Details) - USD ($) $ in Millions	3 Months Ended				9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net	$ 0			$ 0	$ 549	$ 186
2023 Restructuring Program
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net		$ 8	$ 541
2023 Restructuring Program | Packaging & Specialty Plastics [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net			1
2023 Restructuring Program | Industrial Intermediates & Infrastructure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net		8	40
2023 Restructuring Program | Performance Materials & Coatings [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net			49
2023 Restructuring Program | Corporate Segment [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net			451
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		8	197
Asset write-downs and write-offs [Member] | 2023 Restructuring Program | Packaging & Specialty Plastics [Member]
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] | 2023 Restructuring Program | Industrial Intermediates & Infrastructure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net		8
Restructuring and asset related charges - net		$ 8	40
Asset write-downs and write-offs [Member] | 2023 Restructuring Program | Performance Materials & Coatings [Member]
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] | 2023 Restructuring Program | Corporate Segment [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net			107
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | Non-manufacturing Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure			16
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | Leased, Non-manufacturing Facilities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure			$ 9