OPERATING SEGMENT INFORMATION - FINANCIAL INFORMATION BY SEGMENT (Details) - Combined Divisions of Huntsman $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) segment	Jun. 30, 2016 USD ($)
OPERATING SEGMENT INFORMATION
Number of reportable segments | segment			2
Revenues	$ 562	$ 576	$ 1,099	$ 1,116
Segment adjusted EBITDA	94	17	143	16
Reconciliation of adjusted EBITDA to net income (loss):
Interest expense	(10)	(16)	(24)	(30)
Interest income	1	7	3	11
Income tax benefit (expense) - continuing operations	(16)	6	(12)	7
Depreciation and amortization	(29)	(30)	(59)	(54)
Net income attributable to noncontrolling interests	3	3	6	5
Other adjustments:
Business acquisition and integration expenses		(2)		(8)
Income from discontinued operations, net of tax		1	8	6
Certain legal settlements and related expenses				(1)
Amortization of pension and postretirement actuarial losses	(4)	(3)	(8)	(5)
Net plant incident credits (costs)	2	7	(3)	6
Restructuring, impairment and plant closing costs	(7)	(13)	(33)	(24)
Net income (loss)	34	(23)	21	(71)
Operating segments
OPERATING SEGMENT INFORMATION
Segment adjusted EBITDA	114	31	183	46
Operating segments | Titanium Dioxide
OPERATING SEGMENT INFORMATION
Revenues	401	413	786	805
Segment adjusted EBITDA	93	9	141	6
Operating segments | Performance Additives
OPERATING SEGMENT INFORMATION
Revenues	161	163	313	311
Segment adjusted EBITDA	21	22	42	40
Corporate and Other
OPERATING SEGMENT INFORMATION
Segment adjusted EBITDA	$ (20)	$ (14)	$ (40)	$ (30)