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SEGMENT INFORMATION Part 1 (Details) $ in Millions		12 Months Ended
		Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Segment Reporting Information [Line Items]
Number of Reportable Segments		4
Sales [Abstract]
Sales		$ 9,549	$ 9,008	$ 9,648
Operating Earnings (loss) [Abstract]
Operating Earnings (loss)		1,532	1,383	1,384
Assets by Segment [Abstract]
Assets by Segment	[1]	15,999	15,457
Depreciation and Amortization Expense by Segment [Abstract]
Depreciation and amortization expense by segment		587	580	571
Capital Expenditures by Segment [Abstract]
Capital expenditure by Segment		649	626	652
Property, Plant and Equipment, Net		5,607	5,276	5,130
Additives And Functional Products [Member]
Sales [Abstract]
Sales		3,343	2,979	3,159
Operating Earnings (loss) [Abstract]
Operating Earnings (loss)		646	601	660
Assets by Segment [Abstract]
Assets by Segment	[1]	6,648	6,255
Depreciation and Amortization Expense by Segment [Abstract]
Depreciation and amortization expense by segment		213	208	203
Capital Expenditures by Segment [Abstract]
Capital expenditure by Segment		229	212	227
Advanced Materials [Member]
Sales [Abstract]
Sales		2,572	2,457	2,414
Operating Earnings (loss) [Abstract]
Operating Earnings (loss)		482	471	384
Assets by Segment [Abstract]
Assets by Segment	[1]	4,379	4,247
Depreciation and Amortization Expense by Segment [Abstract]
Depreciation and amortization expense by segment		164	160	161
Capital Expenditures by Segment [Abstract]
Capital expenditure by Segment		248	244	225
Chemical Intermediates [Member]
Sales [Abstract]
Sales		2,728	2,534	2,811
Operating Earnings (loss) [Abstract]
Operating Earnings (loss)		255	171	294
Assets by Segment [Abstract]
Assets by Segment	[1]	3,000	2,927
Depreciation and Amortization Expense by Segment [Abstract]
Depreciation and amortization expense by segment		148	157	149
Capital Expenditures by Segment [Abstract]
Capital expenditure by Segment		116	128	139
Fibers [Member]
Sales [Abstract]
Sales		852	992	1,219
Operating Earnings (loss) [Abstract]
Operating Earnings (loss)		175	310	292
Assets by Segment [Abstract]
Assets by Segment	[1]	929	920
Depreciation and Amortization Expense by Segment [Abstract]
Depreciation and amortization expense by segment		58	51	55
Capital Expenditures by Segment [Abstract]
Capital expenditure by Segment		52	38	57
All Operating Segments [Member]
Sales [Abstract]
Sales		9,495	8,962	9,603
Operating Earnings (loss) [Abstract]
Operating Earnings (loss)		1,558	1,553	1,630
Assets by Segment [Abstract]
Assets by Segment	[1]	14,956	14,349
Depreciation and Amortization Expense by Segment [Abstract]
Depreciation and amortization expense by segment		583	576	568
Capital Expenditures by Segment [Abstract]
Capital expenditure by Segment		645	622	648
Other [Member]
Sales [Abstract]
Sales		54	46	45
Depreciation and Amortization Expense by Segment [Abstract]
Depreciation and amortization expense by segment		4	4	3
Capital Expenditures by Segment [Abstract]
Capital expenditure by Segment		4	4	4
Other [Member] | Growth initiatives and businesses not allocated to operating segments
Operating Earnings (loss) [Abstract]
Operating Earnings (loss)		(114)	(82)	(87)
Other [Member] | Pension and other postretirement benefit plans income (expense), net not allocated to operating segments
Operating Earnings (loss) [Abstract]
Operating Earnings (loss)		93	(44)	(76)
Other [Member] | Restructuring and acquisition integration and transaction costs
Operating Earnings (loss) [Abstract]
Operating Earnings (loss)		(5)	(44)	(83)
Corporate Assets [Member]
Assets by Segment [Abstract]
Assets by Segment	[1]	1,043	1,108
UNITED STATES
Sales [Abstract]
Sales		3,999	3,803	4,096
Capital Expenditures by Segment [Abstract]
Property, Plant and Equipment, Net		4,203	4,066	3,939
All Foreign Countries [Member]
Sales [Abstract]
Sales		5,550	5,205	5,552
Capital Expenditures by Segment [Abstract]
Property, Plant and Equipment, Net		$ 1,404	$ 1,210	$ 1,191
[1] The chief operating decision maker holds operating segment management accountable for accounts receivable, inventory, fixed assets, goodwill, and intangible assets. Segment asset balances for shared fixed assets within the CI and Fibers segments as of December 31, 2016 have been reclassified to conform to current period allocation methodology.

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