SEGMENT AND GEOGRAPHIC REGIONS Other Segment Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
Net sales	$ 10,104	$ 10,915	$ 20,535	$ 21,680
Depreciation and amortization	724	682	1,438	1,402
Payments to Acquire Productive Assets	662	723	1,347	1,437
Operating EBIT	(21)	819	209	1,493
Segment Reporting, Reconciling Item, Corporate Nonsegment
Segment Reporting Information [Line Items]
Net sales	164	206	359	381
Depreciation and amortization	10	7	18	16
Payments to Acquire Productive Assets	0	0	0	0
Operating EBIT	(59)	(37)	(92)	(96)
Operating Segment Total
Segment Reporting Information [Line Items]
Net sales	9,940	10,709	20,176	21,299
Depreciation and amortization	714	675	1,420	1,386
Payments to Acquire Productive Assets	662	723	1,347	1,437
Operating EBIT	38	856	301	1,589
Packaging & Specialty Plastics [Member] | Operating Segments
Segment Reporting Information [Line Items]
Net sales	5,025	5,515	10,335	10,945
Depreciation and amortization	369	343	729	714
Payments to Acquire Productive Assets	510	475	1,025	944
Operating EBIT	71	703	413	1,308
Industrial Intermediates & Infrastructure [Member] | Operating Segments
Segment Reporting Information [Line Items]
Net sales	2,786	2,951	5,641	5,959
Depreciation and amortization	153	141	299	288
Payments to Acquire Productive Assets	102	170	231	332
Operating EBIT	(185)	7	(313)	94
Performance Materials & Coatings [Member] | Operating Segments
Segment Reporting Information [Line Items]
Net sales	2,129	2,243	4,200	4,395
Depreciation and amortization	192	191	392	384
Payments to Acquire Productive Assets	50	78	91	161
Operating EBIT	$ 152	$ 146	$ 201	$ 187