GOODWILL AND OTHER INTANGIBLE ASSETS (Goodwill By Operating Segment) (Details) - USD ($) $ in Millions			12 Months Ended
	Jun. 01, 2016	May 05, 2015	Dec. 31, 2016	Dec. 31, 2015
Goodwill [Roll Forward]
Net goodwill, beginning balance			$ 12,154	$ 12,632
Goodwill, Translation and Purchase Accounting Adjustments			(133)	(125)
Net goodwill, ending balance			15,272	12,154
Agricultural Sciences [Member]
Goodwill [Roll Forward]
Net goodwill, beginning balance			1,472	1,558
Goodwill, Translation and Purchase Accounting Adjustments			0	0
Goodwill, Written off Related to Sale of Business Unit			0	0
Goodwill, Acquired During Period			0	0
Net goodwill, ending balance			1,472	1,472
Consumer Solutions [Member]
Goodwill [Roll Forward]
Net goodwill, beginning balance			4,374	4,389
Goodwill, Translation and Purchase Accounting Adjustments			(52)	(15)
Goodwill, Written off Related to Sale of Business Unit			(10)	0
Goodwill, Acquired During Period			0	0
Net goodwill, ending balance			6,017	4,374
Goodwill, accumulated impairments, ending balance			(209)
Infrastructure Solutions [Member]
Goodwill [Roll Forward]
Net goodwill, beginning balance			4,382	4,451
Goodwill, Translation and Purchase Accounting Adjustments			(66)	(69)
Goodwill, Written off Related to Sale of Business Unit			0	0
Goodwill, Acquired During Period			0	0
Net goodwill, ending balance			5,840	4,382
Performance Materials & Chemicals [Member]
Goodwill [Roll Forward]
Net goodwill, beginning balance			391	809
Goodwill, Translation and Purchase Accounting Adjustments			(3)	(10)
Goodwill, Written off Related to Sale of Business Unit			0	0
Goodwill, Acquired During Period			0	0
Net goodwill, ending balance			425	391
Goodwill, accumulated impairments, ending balance			(220)
Performance Plastics [Member]
Goodwill [Roll Forward]
Net goodwill, beginning balance			1,535	1,425
Goodwill, Translation and Purchase Accounting Adjustments			(12)	(31)
Goodwill, Written off Related to Sale of Business Unit			(5)	0
Goodwill, Acquired During Period			0	0
Net goodwill, ending balance			1,518	1,535
ANGUS Chemical Company [Member]
Goodwill [Roll Forward]
Goodwill, Written off Related to Sale of Business Unit				(292)
ANGUS Chemical Company [Member] | Performance Materials & Chemicals [Member]
Goodwill [Roll Forward]
Goodwill, Written off Related to Sale of Business Unit				(292)
Sodium Borohydride business [Member]
Goodwill [Roll Forward]
Goodwill, Written off Related to Sale of Business Unit				(45)
Sodium Borohydride business [Member] | Performance Materials & Chemicals [Member]
Goodwill [Roll Forward]
Goodwill, Written off Related to Sale of Business Unit				(45)
Sale of an Agricultural Sciences product line [Member]
Goodwill [Roll Forward]
Goodwill, Written off Related to Sale of Business Unit				(16)
Sale of an Agricultural Sciences product line [Member] | Agricultural Sciences [Member]
Goodwill [Roll Forward]
Goodwill, Written off Related to Sale of Business Unit				(16)
AgroFresh [Member]
Goodwill [Roll Forward]
Goodwill, Written off Related to Sale of Business Unit				(101)
AgroFresh [Member] | Agricultural Sciences [Member]
Goodwill [Roll Forward]
Goodwill, Written off Related to Sale of Business Unit				(101)
Chlorine Value Chain [Domain]
Goodwill [Roll Forward]
Goodwill, Written off Related to Sale of Business Unit				(71)
Chlorine Value Chain [Domain] | Performance Materials & Chemicals [Member]
Goodwill [Roll Forward]
Goodwill, Written off Related to Sale of Business Unit				(71)
Univation Technologies, LLC [Member]
Goodwill [Roll Forward]
Goodwill, Written off Related to Sale of Business Unit		$ 14
Goodwill, Acquired During Period				141
Univation Technologies, LLC [Member] | Performance Plastics [Member]
Goodwill [Roll Forward]
Goodwill, Acquired During Period				141
Coodetec [Member]
Goodwill [Roll Forward]
Goodwill, Acquired During Period				31
Coodetec [Member] | Agricultural Sciences [Member]
Goodwill [Roll Forward]
Goodwill, Acquired During Period				$ 31
Acquisition of an Analine plant [Member]
Goodwill [Roll Forward]
Goodwill, Acquired During Period			37
Acquisition of an Analine plant [Member] | Performance Materials & Chemicals [Member]
Goodwill [Roll Forward]
Goodwill, Acquired During Period			37
Sale of a product line [Member]
Goodwill [Roll Forward]
Goodwill, Written off Related to Sale of Business Unit			(15)
Dow Corning Corporation [Member]
Goodwill [Roll Forward]
Goodwill, Acquired During Period	$ 3,229		3,229
Dow Corning Corporation [Member] | Consumer Solutions [Member]
Goodwill [Roll Forward]
Goodwill, Acquired During Period			1,705
Dow Corning Corporation [Member] | Infrastructure Solutions [Member]
Goodwill [Roll Forward]
Goodwill, Acquired During Period			$ 1,524