GOODWILL AND OTHER INTANGIBLE ASSETS Part 1 (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Goodwill [Line Items]
Asset impairments	$ 1	$ 12	$ 85
Changes in carrying amount of goodwill [Roll Forward]
Beginning Balance	4,461	4,518
Goodwill, Acquired During Period	17
Goodwill, Transfers		0
Goodwill, Written off Related to Sale of Business Unit	(1)
Currency translation adjustments	50	(57)
Ending Balance	4,527	4,461	4,518
Additives And Functional Products [Member]
Goodwill [Line Items]
Goodwill, Impaired, Accumulated Impairment Loss	23
Changes in carrying amount of goodwill [Roll Forward]
Beginning Balance	2,416	1,865
Goodwill, Acquired During Period	17
Goodwill, Transfers		583
Goodwill, Written off Related to Sale of Business Unit	(1)
Currency translation adjustments	27	(32)
Ending Balance	2,459	2,416	1,865
Adhesives And Plasticizers [Member]
Changes in carrying amount of goodwill [Roll Forward]
Beginning Balance	0	111
Goodwill, Acquired During Period	0
Goodwill, Transfers		(111)
Goodwill, Written off Related to Sale of Business Unit	0
Currency translation adjustments	0	0
Ending Balance	0	0	111
Advanced Materials [Member]
Changes in carrying amount of goodwill [Roll Forward]
Beginning Balance	1,275	1,293
Goodwill, Acquired During Period	0
Goodwill, Transfers		0
Goodwill, Written off Related to Sale of Business Unit	0
Currency translation adjustments	14	(18)
Ending Balance	1,289	1,275	1,293
Chemical Intermediates [Member]
Goodwill [Line Items]
Goodwill, Impaired, Accumulated Impairment Loss	12
Changes in carrying amount of goodwill [Roll Forward]
Beginning Balance	760	1,239
Goodwill, Acquired During Period	0
Goodwill, Transfers		(472)
Goodwill, Written off Related to Sale of Business Unit	0
Currency translation adjustments	9	(7)
Ending Balance	769	760	1,239
Other Segments [Member]
Goodwill [Line Items]
Goodwill, Impaired, Accumulated Impairment Loss	14
Changes in carrying amount of goodwill [Roll Forward]
Beginning Balance	10	10
Goodwill, Acquired During Period	0
Goodwill, Transfers		0
Goodwill, Written off Related to Sale of Business Unit	0
Currency translation adjustments	0	0
Ending Balance	$ 10	$ 10	$ 10

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of transfers into (out of) an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2921-110230

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760

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