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SEGMENTS AND GEOGRAPHIC REGIONS EBIT Reconciliation (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information [Line Items]
Operating EBIT	$ 230	$ 674
Interest Income, Other	28	65
Interest Expense, Debt	216	199
Other Nonrecurring (Income) Expense	(416)	(91)
Income before income taxes	(374)	449
Operating Segment Total
Segment Reporting Information [Line Items]
Operating EBIT	263	733
Other Nonrecurring (Income) Expense	(1)	(45)
Packaging & Specialty Plastics [Member] | Operating Segments
Segment Reporting Information [Line Items]
Operating EBIT	342	605
Other Nonrecurring (Income) Expense	0	(37)
Industrial Intermediates & Infrastructure [Member] | Operating Segments
Segment Reporting Information [Line Items]
Operating EBIT	(128)	87
Other Nonrecurring (Income) Expense	(1)	(8)
Performance Materials & Coatings [Member] | Operating Segments
Segment Reporting Information [Line Items]
Operating EBIT	49	41
Other Nonrecurring (Income) Expense	$ 0	$ 0

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