RESTRUCTURING, GOODWILL IMPAIRMENT AND ASSET RELATED CHARGES - NET (2020 Restructuring Program) (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended	12 Months Ended			27 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2020	Sep. 30, 2020	Dec. 31, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2022	Sep. 29, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net						$ 118	$ 6	$ 708
Restructuring Charges						40	69	718
Packaging & Specialty Plastics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net						8	8	30
Restructuring Charges						0	8	30
Industrial Intermediates & Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net						73	1	22
Restructuring Charges						0	1	22
Performance Materials & Coatings [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net						6	10	192
Restructuring Charges						0	10	192
Corporate Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net						31	13	464
Restructuring Charges						40	50	474
2020 Restructuring Program [Member]
Restructuring Cost and Reserve [Line Items]
restructuring and related cost, percentage										6.00%
Restructuring and asset related charges - net			$ 573	$ 575
Restructuring Reserve, Accrual Adjustment							12
Restructuring Reserve, Settled without Cash			(201)				(12)
Payments for Restructuring			(8)			(99)	(196)
Restructuring Reserve	$ 168	$ 364	364		$ 364	69	168	364	$ 69
Restructuring Charges									585
2020 Restructuring Program [Member] | Accrued and Other Current Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	112					22	112		22
2020 Restructuring Program [Member] | Other Noncurrent Obligations
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	56					47	56		47
2020 Restructuring Program [Member] | Packaging & Specialty Plastics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			11
Restructuring Reserve, Accrual Adjustment						8
2020 Restructuring Program [Member] | Industrial Intermediates & Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			22
Restructuring Reserve, Accrual Adjustment						1
2020 Restructuring Program [Member] | Performance Materials & Coatings [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			177
Restructuring Reserve, Accrual Adjustment						10
2020 Restructuring Program [Member] | Corporate Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			363
Restructuring Reserve, Accrual Adjustment						(7)
2020 Restructuring Program [Member] | Asset Write-downs and Write-offs
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			196	197				196
Restructuring Reserve, Accrual Adjustment		(1)					12
Restructuring Reserve, Settled without Cash					(196)		(12)
Payments for Restructuring					0	0	0
Restructuring Reserve	0	0	0		0	0	0	0	0
Restructuring Charges									208
2020 Restructuring Program [Member] | Asset Write-downs and Write-offs | Packaging & Specialty Plastics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			11					11
Restructuring Reserve, Accrual Adjustment						0
2020 Restructuring Program [Member] | Asset Write-downs and Write-offs | Industrial Intermediates & Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			22					22
Restructuring Reserve, Accrual Adjustment							1
2020 Restructuring Program [Member] | Asset Write-downs and Write-offs | Performance Materials & Coatings [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			116					116
Restructuring Reserve, Accrual Adjustment							8
2020 Restructuring Program [Member] | Asset Write-downs and Write-offs | Corporate Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			47					47
Restructuring Reserve, Accrual Adjustment							3
2020 Restructuring Program [Member] | Costs Associated with Exit and Disposal Activities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			80	81
Restructuring Reserve, Accrual Adjustment		(1)					10
Restructuring Reserve, Settled without Cash					(5)		0
Payments for Restructuring			0			(11)	(21)
Restructuring Reserve	64	75	75		75	53	64	75	53
Restructuring Charges									90
2020 Restructuring Program [Member] | Costs Associated with Exit and Disposal Activities [Member] | Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			19
2020 Restructuring Program [Member] | Costs Associated with Exit and Disposal Activities [Member] | Environmental Remediation [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			56
2020 Restructuring Program [Member] | Costs Associated with Exit and Disposal Activities [Member] | Packaging & Specialty Plastics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			0
Restructuring Reserve, Accrual Adjustment							8
2020 Restructuring Program [Member] | Costs Associated with Exit and Disposal Activities [Member] | Industrial Intermediates & Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			0
Restructuring Reserve, Accrual Adjustment						0
2020 Restructuring Program [Member] | Costs Associated with Exit and Disposal Activities [Member] | Performance Materials & Coatings [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			61
Restructuring Reserve, Accrual Adjustment							2
2020 Restructuring Program [Member] | Costs Associated with Exit and Disposal Activities [Member] | Performance Materials & Coatings [Member] | Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			9
2020 Restructuring Program [Member] | Costs Associated with Exit and Disposal Activities [Member] | Performance Materials & Coatings [Member] | Environmental Remediation [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			52
2020 Restructuring Program [Member] | Costs Associated with Exit and Disposal Activities [Member] | Corporate Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			19
Restructuring Reserve, Accrual Adjustment						0
2020 Restructuring Program [Member] | Costs Associated with Exit and Disposal Activities [Member] | Corporate Segment [Member] | Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			10
2020 Restructuring Program [Member] | Costs Associated with Exit and Disposal Activities [Member] | Corporate Segment [Member] | Environmental Remediation [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			4
2020 Restructuring Program [Member] | Costs Associated with Exit and Disposal Activities [Member] | Corporate Segment [Member] | Pension Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net					5
2020 Restructuring Program [Member] | Severance and Related Benefit Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			297	$ 297
Restructuring Reserve, Accrual Adjustment	(10)						(10)
Restructuring Reserve, Settled without Cash					0		0
Payments for Restructuring					(8)	(88)	(175)
Restructuring Reserve	$ 104	$ 289	289		$ 289	$ 16	104	$ 289	16
Restructuring Charges									$ 287
2020 Restructuring Program [Member] | Severance and Related Benefit Costs | Packaging & Specialty Plastics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			0
Restructuring Reserve, Accrual Adjustment							0
2020 Restructuring Program [Member] | Severance and Related Benefit Costs | Industrial Intermediates & Infrastructure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			0
Restructuring Reserve, Accrual Adjustment							0
2020 Restructuring Program [Member] | Severance and Related Benefit Costs | Performance Materials & Coatings [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			0
Restructuring Reserve, Accrual Adjustment							0
2020 Restructuring Program [Member] | Severance and Related Benefit Costs | Corporate Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and asset related charges - net			$ 297
Restructuring Reserve, Accrual Adjustment							$ (10)