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GOODWILL AND OTHER INTANGIBLE ASSETS Part 1 (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Changes in carrying amount of goodwill [Roll Forward]
Beginning Balance	$ 4,467	$ 4,527
Acquisitions	15
Impairments recognized	(45)	(38)
Currency translation adjustments	(6)	(22)
Ending Balance	4,431	4,467
Additives And Functional Products [Member]
Changes in carrying amount of goodwill [Roll Forward]
Beginning Balance	2,410	2,459
Acquisitions	15
Impairments recognized	(45)	(38)
Currency translation adjustments	(3)	(11)
Ending Balance	2,377	2,410
Goodwill, Impaired, Accumulated Impairment Loss	106	61
Advanced Materials [Member]
Changes in carrying amount of goodwill [Roll Forward]
Beginning Balance	1,283	1,289
Acquisitions	0
Impairments recognized	0	0
Currency translation adjustments	(1)	(6)
Ending Balance	1,282	1,283
Chemical Intermediates [Member]
Changes in carrying amount of goodwill [Roll Forward]
Beginning Balance	764	769
Acquisitions	0
Impairments recognized	0	0
Currency translation adjustments	(2)	(5)
Ending Balance	762	764
Goodwill, Impaired, Accumulated Impairment Loss	12	12
Other Segments [Member]
Changes in carrying amount of goodwill [Roll Forward]
Beginning Balance	10	10
Acquisitions	0
Impairments recognized	0	0
Currency translation adjustments	0	0
Ending Balance	10	10
Goodwill, Impaired, Accumulated Impairment Loss	14	14
Crop Protection [Member] | Additives And Functional Products [Member]
Changes in carrying amount of goodwill [Roll Forward]
Ending Balance	190
Goodwill, Impairment Loss, Net of Tax	$ 45	$ 38

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