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SEGMENT INFORMATION Part 2 (Details)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Additives And Functional Products [Member] | Coatings and Inks Additives Product Line [Member]
Revenue from External Customer [Line Items]
Sales Revenue product line percentage of total segment revenue	23.00%	24.00%	24.00%
Additives And Functional Products [Member] | Adhesives Resins Product Line Member
Revenue from External Customer [Line Items]
Sales Revenue product line percentage of total segment revenue	18.00%	21.00%	21.00%
Additives And Functional Products [Member] | Tire Additives Product Line [Member]
Revenue from External Customer [Line Items]
Sales Revenue product line percentage of total segment revenue	17.00%	17.00%	17.00%
Additives And Functional Products [Member] | Care Chemicals Product LIne [Member]
Revenue from External Customer [Line Items]
Sales Revenue product line percentage of total segment revenue	17.00%	15.00%	15.00%
Additives And Functional Products [Member] | Specialty Fluids Product Line [Member]
Revenue from External Customer [Line Items]
Sales Revenue product line percentage of total segment revenue	13.00%	11.00%	11.00%
Additives And Functional Products [Member] | Animal Nutrition and Crop Protection [Member]
Revenue from External Customer [Line Items]
Sales Revenue product line percentage of total segment revenue	12.00%	12.00%	12.00%
Advanced Materials [Member] | Specialty Plastics Product Line [Member]
Revenue from External Customer [Line Items]
Sales Revenue product line percentage of total segment revenue	51.00%	50.00%	51.00%
Advanced Materials [Member] | Advanced Interlayers Product Line [Member]
Revenue from External Customer [Line Items]
Sales Revenue product line percentage of total segment revenue	33.00%	34.00%	33.00%
Advanced Materials [Member] | Performance Films Product Line [Member]
Revenue from External Customer [Line Items]
Sales Revenue product line percentage of total segment revenue	16.00%	16.00%	16.00%
Chemical Intermediates [Member] | Intermediates product line [Member]
Revenue from External Customer [Line Items]
Sales Revenue product line percentage of total segment revenue	64.00%	65.00%	65.00%
Chemical Intermediates [Member] | Plasticizers Product Line [Member]
Revenue from External Customer [Line Items]
Sales Revenue product line percentage of total segment revenue	19.00%	20.00%	20.00%
Chemical Intermediates [Member] | Functional Amines Product Line [Member]
Revenue from External Customer [Line Items]
Sales Revenue product line percentage of total segment revenue	17.00%	15.00%	15.00%
Fibers [Member] | Acetate Tow Product Line Member
Revenue from External Customer [Line Items]
Sales Revenue product line percentage of total segment revenue	77.00%	80.00%	78.00%
Fibers [Member] | Acetyl Chemical Products [Member]
Revenue from External Customer [Line Items]
Sales Revenue product line percentage of total segment revenue	15.00%	13.00%	14.00%
Fibers [Member] | Acetate Yarn [Member]
Revenue from External Customer [Line Items]
Sales Revenue product line percentage of total segment revenue	8.00%	7.00%	8.00%

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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