RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING COSTS - RESERVES FOR RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING COSTS (Details) - Combined Divisions of Huntsman - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Accrued restructuring costs roll forward
Accrued liabilities at the beginning of the period			$ 21
Restructuring charges	$ 4	$ 10	27	$ 16
Restructuring payments			(16)
Foreign currency effect on liability balance			1
Accrued liabilities at the end of the period	33		33
Current portion of restructuring reserves	29		29
Long-term portion of restructuring reserves	4		4
Titanium Dioxide
Accrued restructuring costs roll forward
Accrued liabilities at the beginning of the period			12
Restructuring charges			21
Restructuring payments			(10)
Foreign currency effect on liability balance			1
Accrued liabilities at the end of the period	24		24
Current portion of restructuring reserves	20		20
Long-term portion of restructuring reserves	4		4
Performance Additives
Accrued restructuring costs roll forward
Accrued liabilities at the beginning of the period			9
Restructuring charges			6
Restructuring payments			(6)
Accrued liabilities at the end of the period	9		9
Current portion of restructuring reserves	$ 9		9
Discontinued Operations
Accrued restructuring costs roll forward
Accrued liabilities at the beginning of the period			1
Net activity due to discontinued operations			$ (1)