FAIR VALUE MEASUREMENTS (Summary of Nonrecurring Measured Fair Values) (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring and asset related charges - net	$ 8		$ 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
Restructuring and asset related charges - net		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		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