FAIR VALUE MEASUREMENTS (Basis of Fair Value Measurements on a Nonrecurring Basis) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring, Settlement and Impairment Provisions			$ 118	$ 6	$ 708
Asset Impairment Charges			118		49
2020 Restructuring Program [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring, Settlement and Impairment Provisions	$ 573	$ 575
Performance Materials & Coatings [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring, Settlement and Impairment Provisions			6	10	192
Performance Materials & Coatings [Member] | 2020 Restructuring Program [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring, Settlement and Impairment Provisions	177
Corporate Segment [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring, Settlement and Impairment Provisions			31	13	464
Corporate Segment [Member] | 2020 Restructuring Program [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring, Settlement and Impairment Provisions	363
Packaging & Specialty Plastics [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring, Settlement and Impairment Provisions			8	8	30
Packaging & Specialty Plastics [Member] | 2020 Restructuring Program [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring, Settlement and Impairment Provisions	11
Industrial Intermediates & Infrastructure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring, Settlement and Impairment Provisions			73	$ 1	22
Industrial Intermediates & Infrastructure [Member] | 2020 Restructuring Program [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring, Settlement and Impairment Provisions	22
Fair Value, Measurements, Nonrecurring | Changes Measurement [Member] | Manufacturing Assets, Equity Method Investments, and Other Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets at fair value	(245)				(245)
Fair Value, Measurements, Nonrecurring | Performance Materials & Coatings [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges			6		15
Fair Value, Measurements, Nonrecurring | Corporate Segment [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges			31		15
Fair Value, Measurements, Nonrecurring | Packaging & Specialty Plastics [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges			8		19
Fair Value, Measurements, Nonrecurring | Industrial Intermediates & Infrastructure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges			$ 73
Fair Value, Measurements, Nonrecurring | Manufacturing Facility | Packaging & Specialty Plastics [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges					19
Fair Value, Measurements, Nonrecurring | Non-manufacturing Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges					30
Fair Value, Measurements, Nonrecurring | Non-manufacturing Assets [Member] | Performance Materials & Coatings [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges					15
Fair Value, Measurements, Nonrecurring | Non-manufacturing Assets [Member] | Corporate Segment [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges					15
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3 [Member] | Leased, Non-manufacturing Facilities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets at fair value	110				110
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3 [Member] | Manufacturing Assets, Equity Method Investments, and Other Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets at fair value	121				121
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3 [Member] | Non-manufacturing Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets at fair value	11				11
Asset write-downs and write-offs [Member] | 2020 Restructuring Program [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring, Settlement and Impairment Provisions	196	$ 197			196
Asset write-downs and write-offs [Member] | Performance Materials & Coatings [Member] | 2020 Restructuring Program [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring, Settlement and Impairment Provisions	116				116
Asset write-downs and write-offs [Member] | Corporate Segment [Member] | 2020 Restructuring Program [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring, Settlement and Impairment Provisions	47				47
Asset write-downs and write-offs [Member] | Packaging & Specialty Plastics [Member] | 2020 Restructuring Program [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring, Settlement and Impairment Provisions	11				11
Asset write-downs and write-offs [Member] | Industrial Intermediates & Infrastructure [Member] | 2020 Restructuring Program [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restructuring, Settlement and Impairment Provisions	$ 22				$ 22