SEGMENTS AND GEOGRAPHIC REGIONS Significant Items (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information [Line Items]
Charges related to separation, distribution and tax matters agreements	$ (98)
Other Nonrecurring (Income) Expense	(416)	$ (91)
Gain (Loss) on Extinguishment of Debt	(60)
Segment Reporting, Reconciling Item, Corporate Nonsegment
Segment Reporting Information [Line Items]
Charges related to separation, distribution and tax matters agreements	(98)
Other Nonrecurring (Income) Expense	(415)	(46)
Gain (Loss) on Extinguishment of Debt	(60)
2023 Restructuring Program
Segment Reporting Information [Line Items]
Restructuring Charges	(51)	(91)
2023 Restructuring Program \| Segment Reporting, Reconciling Item, Corporate Nonsegment
Segment Reporting Information [Line Items]
Restructuring Charges	(50)	(46)
2025 Program
Segment Reporting Information [Line Items]
Restructuring Charges	(207)
2025 Program \| Segment Reporting, Reconciling Item, Corporate Nonsegment
Segment Reporting Information [Line Items]
Restructuring Charges	(207)
Operating Segment Total
Segment Reporting Information [Line Items]
Charges related to separation, distribution and tax matters agreements	0
Other Nonrecurring (Income) Expense	(1)	(45)
Gain (Loss) on Extinguishment of Debt	0
Operating Segment Total \| 2023 Restructuring Program
Segment Reporting Information [Line Items]
Restructuring Charges	(1)	(45)
Operating Segment Total \| 2025 Program
Segment Reporting Information [Line Items]
Restructuring Charges	0
Packaging & Specialty Plastics [Member] \| Operating Segments
Segment Reporting Information [Line Items]
Charges related to separation, distribution and tax matters agreements	0
Other Nonrecurring (Income) Expense	0	(37)
Gain (Loss) on Extinguishment of Debt	0
Packaging & Specialty Plastics [Member] \| 2023 Restructuring Program \| Operating Segments
Segment Reporting Information [Line Items]
Restructuring Charges	0	(37)
Packaging & Specialty Plastics [Member] \| 2025 Program \| Operating Segments
Segment Reporting Information [Line Items]
Restructuring Charges	0
Industrial Intermediates & Infrastructure [Member] \| Operating Segments
Segment Reporting Information [Line Items]
Charges related to separation, distribution and tax matters agreements	0
Other Nonrecurring (Income) Expense	(1)	(8)
Gain (Loss) on Extinguishment of Debt	0
Industrial Intermediates & Infrastructure [Member] \| 2023 Restructuring Program \| Operating Segments
Segment Reporting Information [Line Items]
Restructuring Charges	(1)	(8)
Industrial Intermediates & Infrastructure [Member] \| 2025 Program \| Operating Segments
Segment Reporting Information [Line Items]
Restructuring Charges	0
Performance Materials & Coatings [Member] \| Operating Segments
Segment Reporting Information [Line Items]
Charges related to separation, distribution and tax matters agreements	0
Other Nonrecurring (Income) Expense	0	0
Gain (Loss) on Extinguishment of Debt	0
Performance Materials & Coatings [Member] \| 2023 Restructuring Program \| Operating Segments
Segment Reporting Information [Line Items]
Restructuring Charges	0	$ 0
Performance Materials & Coatings [Member] \| 2025 Program \| Operating Segments
Segment Reporting Information [Line Items]
Restructuring Charges	$ 0

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of other expense (income) that is infrequent in occurrence or unusual in nature.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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