Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 5)

v2.4.1.9
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 5) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Buildings and equipment | Minimum      
Property, Plant and Equipment      
Estimated useful lives 5 years    
Buildings and equipment | Maximum      
Property, Plant and Equipment      
Estimated useful lives 50 years    
Plant and equipment      
Property, Plant and Equipment      
Interest expense capitalized as part of plant and equipment $ 16us-gaap_InterestCostsCapitalized
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= hun_PlantAndEquipmentMember 		$ 7us-gaap_InterestCostsCapitalized
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= hun_PlantAndEquipmentMember 		$ 4us-gaap_InterestCostsCapitalized
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= hun_PlantAndEquipmentMember
Plant and equipment | Minimum      
Property, Plant and Equipment      
Estimated useful lives 3 years    
Plant and equipment | Maximum      
Property, Plant and Equipment      
Estimated useful lives 30 years    
Furniture, fixtures and leasehold improvements | Minimum      
Property, Plant and Equipment      
Estimated useful lives 5 years    
Furniture, fixtures and leasehold improvements | Maximum      
Property, Plant and Equipment      
Estimated useful lives 20 years