RESTRUCTURING, IMPAIRMENT AND PLANT CLOSING COSTS - CASH AND NONCASH RESTRUCTURING CHARGES AND OTHER INFORMATION (Details) - Combined Divisions of Huntsman $ in Millions		1 Months Ended	3 Months Ended		6 Months Ended
	Feb. 15, 2015 kt	Dec. 31, 2014 item	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) item	Jun. 30, 2016 USD ($)
Restructuring, impairment and plant closing costs
Restructuring charges			$ 4	$ 10	$ 27	$ 16
Impairment of assets			3		3
Other non-cash charges					3	1
Accelerated depreciation				3		7
Total restructuring, impairment and plant closing costs			7	13	$ 33	24
Number of positions terminated | item					335
Calais, France Facility
Restructuring, impairment and plant closing costs
Restructuring charges			0	0	$ 22	1
Accelerated depreciation				3		7
Decrease in titanium dioxide capacity due to closing operations | kt	100
Decrease in titanium dioxide capacity due to closing operations (as a percent)	11.00%
Restructuring and Related Cost, Expected Cost Remaining			41		41
South African Titanium Dioxide Manufacturing Facility
Restructuring, impairment and plant closing costs
Restructuring charges			1		2
Restructuring and Related Cost, Expected Cost Remaining			3		3
Color Pigments Business
Restructuring, impairment and plant closing costs
Restructuring charges			2	5	5	8
Restructuring and Related Cost, Expected Cost Remaining			2		2
Workforce reductions
Restructuring, impairment and plant closing costs
Restructuring charges					19
Workforce reductions | Titanium Dioxide And Performance Additives
Restructuring, impairment and plant closing costs
Restructuring charges				$ 1		$ 4
Number of positions terminated | item		900
Restructuring and Related Cost, Expected Cost Remaining			$ 6		$ 6