GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill

Goodwill
In millions
Balance at Jan 1, 2016	$	12,154
Acquisition of an aniline plant	37
Sale of product lines	(15		)
Goodwill related to the DCC Transaction 1	3,229
Foreign currency impact	(133		)
Balance at Dec 31, 2016	$	15,272
Sale of SKC Haas Display Films 2	(34		)
Divestiture of the EAA Business 3	(23		)
Divestiture of the DAS Divested Ag Business 4	(128		)
Dissolution of joint venture 5	48
Goodwill impairment	(1,491		)
Foreign currency impact	299
Other	(5		)
Balance at Dec 31, 2017	$	13,938

Schedule of other intangible assets

Other Intangible Assets at Dec 31 1	2017							2016
In millions	Gross Carrying Amount		Accum Amort			Net		Gross Carrying Amount		Accum Amort			Net
Intangible assets with finite lives:
Developed technology	$	3,263	$	(1,690	)	$	1,573	$	3,254	$	(1,383	)	$	1,871
Software	1,420		(780		)	640		1,336		(696		)	640
Trademarks/tradenames	697		(570		)	127		696		(503		)	193
Customer-related	5,035		(1,965		)	3,070		4,806		(1,567		)	3,239
Other	245		(156		)	89		168		(146		)	22
Total other intangible assets, finite lives	$	10,660	$	(5,161	)	$	5,499	$	10,260	$	(4,295	)	$	5,965
In-process research and development ("IPR&D")	50		—			50		61		—			61
Total other intangible assets	$	10,710	$	(5,161	)	$	5,549	$	10,321	$	(4,295	)	$	6,026

Schedule of amortization expense

Amortization Expense	2017		2016		2015
In millions
Other intangible assets, excluding software	$	624	$	544	$	419
Software, included in “Cost of sales”	$	87	$	73	$	72

Schedule of estimated future amortization expense

Estimated Amortization Expense for Next Five Years
In millions
2018	$	737
2019	$	665
2020	$	628
2021	$	595
2022	$	523