GOODWILL AND OTHER INTANGIBLE ASSETS (Schedule of Goodwill) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2019	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2018
Goodwill [Roll Forward]
Net goodwill, beginning balance			$ 9,846	$ 9,833
Foreign currency impact			(10)	(69)
Goodwill, Purchase Accounting Adjustments			(1,039)	82
Goodwill, Other Increase (Decrease)			(1)
Net goodwill, ending balance	$ 8,796	$ 9,833	8,796	9,846
Packaging & Specialty Plastics [Member]
Goodwill [Roll Forward]
Net goodwill, beginning balance			5,101	5,043
Foreign currency impact			8	(24)
Goodwill, Purchase Accounting Adjustments			0	82
Goodwill, Other Increase (Decrease)			0
Net goodwill, ending balance	5,109	5,043	5,109	5,101
Industrial Intermediates & Infrastructure [Member]
Goodwill [Roll Forward]
Net goodwill, beginning balance			1,095	1,101
Foreign currency impact			6	(6)
Goodwill, Purchase Accounting Adjustments			0	0
Goodwill, Other Increase (Decrease)			(1)
Net goodwill, ending balance	1,100	1,101	1,100	1,095
Performance Materials & Coatings [Member]
Goodwill [Roll Forward]
Net goodwill, beginning balance			3,650	3,689
Foreign currency impact			(24)	(39)
Goodwill, Purchase Accounting Adjustments				0
Goodwill, Impairment Loss	1,039	1,491	(1,039)
Goodwill, Other Increase (Decrease)			0
Net goodwill, ending balance	$ 2,587	$ 3,689	$ 2,587	$ 3,650