RESTRUCTURING AND ASSET RELATED CHARGES - NET (2023 Restructuring Program) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 551,000,000	$ 10,000,000
Restructuring and asset related charges - net	541,000,000	186,000,000
2023 Restructuring Program
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	333,000,000
Payments for Restructuring	11,000,000
Restructuring Reserve, Settled without Cash	197,000,000
Restructuring and asset related charges - net	541,000,000
Restructuring Reserve, Settled without Cash	$ (197,000,000)
Restructuring and related workforce reduction	2,000
2023 Restructuring Program | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 333,000,000
Payments for Restructuring	11,000,000
Restructuring Reserve, Settled without Cash	0
Restructuring Charges	344,000,000
Restructuring and asset related charges - net	344,000,000
Restructuring Reserve, Settled without Cash	0
2023 Restructuring Program | Asset write-downs and write-offs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0
Payments for Restructuring	0
Restructuring Reserve, Settled without Cash	197,000,000
Restructuring and asset related charges - net	197,000,000
Restructuring Reserve, Settled without Cash	(197,000,000)
2023 Restructuring Program | Restructuring Implementation Costs
Restructuring Cost and Reserve [Line Items]
Payments for Restructuring	425,000,000
Packaging & Specialty Plastics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	1,000,000	0
Packaging & Specialty Plastics [Member] | 2023 Restructuring Program
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net	1,000,000
Packaging & Specialty Plastics [Member] | 2023 Restructuring Program | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net	0
Packaging & Specialty Plastics [Member] | 2023 Restructuring Program | Asset write-downs and write-offs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net	1,000,000
Industrial Intermediates & Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	40,000,000	0
Industrial Intermediates & Infrastructure [Member] | 2023 Restructuring Program
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net	40,000,000
Industrial Intermediates & Infrastructure [Member] | 2023 Restructuring Program | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net	0
Industrial Intermediates & Infrastructure [Member] | 2023 Restructuring Program | Asset write-downs and write-offs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net	40,000,000
Performance Materials & Coatings [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	67,000,000	0
Performance Materials & Coatings [Member] | 2023 Restructuring Program
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net	49,000,000
Performance Materials & Coatings [Member] | 2023 Restructuring Program | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net	0
Performance Materials & Coatings [Member] | 2023 Restructuring Program | Asset write-downs and write-offs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net	49,000,000
Corporate Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	443,000,000	$ 10,000,000
Corporate Segment [Member] | 2023 Restructuring Program
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net	451,000,000
Corporate Segment [Member] | 2023 Restructuring Program | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net	344,000,000
Corporate Segment [Member] | 2023 Restructuring Program | Asset write-downs and write-offs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net	107,000,000
Accrued and Other Current Liabilities [Member] | 2023 Restructuring Program
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	256,000,000
Other Noncurrent Obligations [Member] | 2023 Restructuring Program
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 77,000,000