Annual report pursuant to Section 13 and 15(d)

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details)

v2.4.1.9
DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details)
In Millions, unless otherwise specified
12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended 1 Months Ended
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Dec. 31, 2012
USD ($)
Dec. 31, 2014
EUR (€)
Dec. 31, 2014
Designated as Hedging Instrument
USD ($)
Dec. 31, 2013
Designated as Hedging Instrument
USD ($)
Dec. 31, 2014
Forward foreign currency contracts
USD ($)
Dec. 31, 2013
Forward foreign currency contracts
USD ($)
Dec. 31, 2013
Five-year interest rate contract entered in year 2009
Designated as Hedging Instrument
Huntsman International
USD ($)
Dec. 31, 2014
Five-year interest rate contract entered in year 2010
Designated as Hedging Instrument
Huntsman International
USD ($)
Dec. 31, 2013
Five-year interest rate contract entered in year 2010
Designated as Hedging Instrument
Huntsman International
USD ($)
Dec. 31, 2014
Five-year interest rate contract entered in year 2010
Designated as Hedging Instrument
Huntsman International
Maximum
USD ($)
Dec. 31, 2014
Twelve-year interest rate contract entered in year 2009
Non Designated Hedge Instrument
Arabian Amines Company
USD ($)
Dec. 31, 2013
Twelve-year interest rate contract entered in year 2009
Non Designated Hedge Instrument
Arabian Amines Company
USD ($)
Dec. 31, 2009
Twelve-year interest rate contract entered in year 2009
Non Designated Hedge Instrument
Arabian Amines Company
Dec. 31, 2014
Twelve-year interest rate contract entered in year 2009
Non Designated Hedge Instrument
Arabian Amines Company
LIBOR
Dec. 31, 2014
Floating to fixed interest rate contract
Sasol Huntsman GmbH and Co. KG
USD ($)
Dec. 31, 2014
Floating to fixed interest rate contract
Sasol Huntsman GmbH and Co. KG
EUR (€)
Dec. 31, 2013
Floating to fixed interest rate contract
Sasol Huntsman GmbH and Co. KG
USD ($)
Dec. 31, 2013
Floating to fixed interest rate contract
Sasol Huntsman GmbH and Co. KG
EUR (€)
Dec. 31, 2009
Floating to fixed interest rate contract
Sasol Huntsman GmbH and Co. KG
Dec. 31, 2009
Floating to fixed interest rate contract
Sasol Huntsman GmbH and Co. KG
Eurodollar
Dec. 31, 2014
Cross currency interest rate contracts
USD ($)
Nov. 30, 2014
Cross currency interest rate contracts
USD ($)
Nov. 30, 2014
Cross currency interest rate contracts
EUR (€)
Feb. 11, 2015
Cross currency interest rate contracts
Designated as Hedging Instrument
USD ($)
Mar. 07, 2010
Cross currency interest rate contracts
Designated as Hedging Instrument
USD ($)
Mar. 07, 2010
Cross currency interest rate contracts
Designated as Hedging Instrument
EUR (€)
Dec. 31, 2014
Cross currency interest rate contracts
Designated as Hedging Instrument
USD ($)
item
Dec. 31, 2014
Cross currency interest rate contracts
Designated as Hedging Instrument
EUR (€)
item
Mar. 15, 2015
Cross currency interest rate contracts
Designated as Hedging Instrument
USD ($)
Mar. 15, 2015
Cross currency interest rate contracts
Designated as Hedging Instrument
EUR (€)
Feb. 11, 2015
Cross currency interest rate contracts
Designated as Hedging Instrument
USD ($)
Dec. 31, 2013
Cross currency interest rate contracts
Designated as Hedging Instrument
USD ($)
Nov. 30, 2014
Five years cross currency interest rate contract
item
Nov. 30, 2014
Eight years cross currency interest rate contract
item
Dec. 31, 2014
Forward interest rate contract beginning in December, 2014
Designated as Hedging Instrument
Huntsman International
USD ($)
Dec. 31, 2013
Forward interest rate contract beginning in December, 2014
Designated as Hedging Instrument
Huntsman International
USD ($)
Dec. 31, 2014
Forward interest rate contract beginning in January, 2015
Designated as Hedging Instrument
Huntsman International
USD ($)
Dec. 31, 2013
Forward interest rate contract beginning in January, 2015
Designated as Hedging Instrument
Huntsman International
USD ($)
Derivative Instruments and Hedging Activities                                                                                
Notional Amounts $ 800invest_DerivativeNotionalAmount     € 655invest_DerivativeNotionalAmount     $ 179invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
$ 193invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_ForeignExchangeContractMember
$ 50invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_InterestRateFiveYearContract2009Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ dei_LegalEntityAxis
= us-gaap_LimitedLiabilityCompanyMember
$ 50invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_InterestRateFiveYearContract2010Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ dei_LegalEntityAxis
= us-gaap_LimitedLiabilityCompanyMember
$ 50invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_InterestRateFiveYearContract2010Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ dei_LegalEntityAxis
= us-gaap_LimitedLiabilityCompanyMember
  $ 28invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_InterestRateTwelveYearContract2009Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= hun_ArabianAminesCompanyMember
                    $ 200invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
€ 161invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
                      $ 50invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_ForwardInterestRateContract2014Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ dei_LegalEntityAxis
= us-gaap_LimitedLiabilityCompanyMember
$ 50invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_ForwardInterestRateContract2014Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ dei_LegalEntityAxis
= us-gaap_LimitedLiabilityCompanyMember
$ 50invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_ForwardInterestRateContract2015Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ dei_LegalEntityAxis
= us-gaap_LimitedLiabilityCompanyMember
$ 50invest_DerivativeNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_ForwardInterestRateContract2015Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ dei_LegalEntityAxis
= us-gaap_LimitedLiabilityCompanyMember
Terminated derivative notional amount                                                                 200hun_DerivativeTerminatedNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
             
Hedging period of interest rate contract                             12 years                                                  
Fixed percentage to be paid under the hedge                 2.60%us-gaap_DerivativeFixedInterestRate
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_InterestRateFiveYearContract2009Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ dei_LegalEntityAxis
= us-gaap_LimitedLiabilityCompanyMember
2.80%us-gaap_DerivativeFixedInterestRate
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_InterestRateFiveYearContract2010Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ dei_LegalEntityAxis
= us-gaap_LimitedLiabilityCompanyMember
2.80%us-gaap_DerivativeFixedInterestRate
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_InterestRateFiveYearContract2010Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ dei_LegalEntityAxis
= us-gaap_LimitedLiabilityCompanyMember
        5.02%us-gaap_DerivativeFixedInterestRate
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_InterestRateTwelveYearContract2009Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= hun_ArabianAminesCompanyMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
          3.62%us-gaap_DerivativeFixedInterestRate
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= hun_SasolHuntsmanGmbHAndCoKGMember
/ us-gaap_VariableRateAxis
= us-gaap_EurodollarMember
                            2.50%us-gaap_DerivativeFixedInterestRate
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_ForwardInterestRateContract2014Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ dei_LegalEntityAxis
= us-gaap_LimitedLiabilityCompanyMember
2.50%us-gaap_DerivativeFixedInterestRate
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_ForwardInterestRateContract2014Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ dei_LegalEntityAxis
= us-gaap_LimitedLiabilityCompanyMember
2.50%us-gaap_DerivativeFixedInterestRate
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_ForwardInterestRateContract2015Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ dei_LegalEntityAxis
= us-gaap_LimitedLiabilityCompanyMember
2.50%us-gaap_DerivativeFixedInterestRate
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_ForwardInterestRateContract2015Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ dei_LegalEntityAxis
= us-gaap_LimitedLiabilityCompanyMember
Variable rate basis                               LIBOR           EURIBOR                                    
Fair value of the hedge                 1us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_InterestRateFiveYearContract2009Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ dei_LegalEntityAxis
= us-gaap_LimitedLiabilityCompanyMember
  1us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_InterestRateFiveYearContract2010Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ dei_LegalEntityAxis
= us-gaap_LimitedLiabilityCompanyMember
1us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_InterestRateFiveYearContract2010Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ dei_LegalEntityAxis
= us-gaap_LimitedLiabilityCompanyMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
3us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_InterestRateTwelveYearContract2009Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= hun_ArabianAminesCompanyMember
4us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_InterestRateTwelveYearContract2009Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= hun_ArabianAminesCompanyMember
                                            2us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_ForwardInterestRateContract2014Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ dei_LegalEntityAxis
= us-gaap_LimitedLiabilityCompanyMember
1us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_ForwardInterestRateContract2014Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ dei_LegalEntityAxis
= us-gaap_LimitedLiabilityCompanyMember
2us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_ForwardInterestRateContract2015Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ dei_LegalEntityAxis
= us-gaap_LimitedLiabilityCompanyMember
2us-gaap_DerivativeFairValueOfDerivativeLiability
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_ForwardInterestRateContract2015Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
/ dei_LegalEntityAxis
= us-gaap_LimitedLiabilityCompanyMember
Strike price (as a percent)                                         3.62%us-gaap_DerivativeCapInterestRate
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= hun_SasolHuntsmanGmbHAndCoKGMember
                                     
Notional amount of hedge                                 27us-gaap_DerivativeLiabilityNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= hun_SasolHuntsmanGmbHAndCoKGMember
22us-gaap_DerivativeLiabilityNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= hun_SasolHuntsmanGmbHAndCoKGMember
                                           
Fair value of interest rate derivative not designated as hedging instrument recorded in liabilities                                     1us-gaap_InterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= hun_SasolHuntsmanGmbHAndCoKGMember
1us-gaap_InterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= hun_SasolHuntsmanGmbHAndCoKGMember
                                       
Additional (reduction of) interest expense due to changes in the fair value of the hedges                         (1)us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_InterestRateTwelveYearContract2009Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= hun_ArabianAminesCompanyMember
(2)us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_InterestRateTwelveYearContract2009Member
/ us-gaap_HedgingDesignationAxis
= us-gaap_NondesignatedMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= hun_ArabianAminesCompanyMember
    (1)us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= hun_SasolHuntsmanGmbHAndCoKGMember
(1)us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= hun_SasolHuntsmanGmbHAndCoKGMember
(2)us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= hun_SasolHuntsmanGmbHAndCoKGMember
(1)us-gaap_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateSwapMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= hun_SasolHuntsmanGmbHAndCoKGMember
                                       
Maximum maturity period of spot or forward exchange rate contracts             3 months                                                                  
Changes in accumulated other comprehensive gain (loss)         2us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
(3)us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
                                                                   
Number of cross currency interest rate contracts                                                                     2hun_NumberOfCrossCurrencyInterestRateContracts
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_FiveYearCrossCurrencyInterestRateContractMember
1hun_NumberOfCrossCurrencyInterestRateContracts
/ us-gaap_DerivativeInstrumentRiskAxis
= hun_EightYearsCrossCurrencyInterestRateContractMember
       
Term of cross currency interest rate contract                                                                     5 years 8 years        
Approximate term of foreign currency contracts             1 month                                                                  
Number of counterparties                                                         3hun_DerivativeNumberOfCounterparties
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
3hun_DerivativeNumberOfCounterparties
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
                   
Amount paid to counterparties                                                     350hun_DerivativePaymentToCounterparties
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
                         
Amount received from counterparties                                                   37hun_DerivativeProceedsFromCounterparties
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
  255hun_DerivativeProceedsFromCounterparties
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
                       
Amount payable to counterparties on maturity of derivative contract                                                               255hun_DerivativeAmountPayableToCounterpartiesOnMaturity
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
               
Amount receivable from counterparties on maturity of derivative contract                                                             350hun_DerivativeAmountReceivableFromCounterpartiesOnMaturity
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
                 
U.S. dollar interest payments to be received twice each year                                               5hun_DerivativeInterestReceivableAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
        15hun_DerivativeInterestReceivableAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
                     
Equivalent annual rate of interest receivable (as a percent)                                               5.125%hun_DerivativeEquivalentAnnualInterestRateOfInterestReceivableAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
5.125%hun_DerivativeEquivalentAnnualInterestRateOfInterestReceivableAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
      8.625%hun_DerivativeEquivalentAnnualInterestRateOfInterestReceivableAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
8.625%hun_DerivativeEquivalentAnnualInterestRateOfInterestReceivableAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
                   
U.S. dollar interest payments to be made twice each year                                                 3hun_DerivativeInterestPayableAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
        11hun_DerivativeInterestPayableAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
                   
Equivalent annual rate of interest payable (as a percent)                                               3.60%hun_DerivativeEquivalentAnnualInterestRateOfInterestPayableAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
3.60%hun_DerivativeEquivalentAnnualInterestRateOfInterestPayableAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
      8.41%hun_DerivativeEquivalentAnnualInterestRateOfInterestPayableAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
8.41%hun_DerivativeEquivalentAnnualInterestRateOfInterestPayableAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
                   
Fair value of the swap                                             5us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
          43us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
        2us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_CrossCurrencyInterestRateContractMember
/ us-gaap_HedgingDesignationAxis
= us-gaap_DesignatedAsHedgingInstrumentMember
           
Amount of gain (loss) recognized on the hedge of net investments 97us-gaap_TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseNetOfTax (22)us-gaap_TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseNetOfTax (11)us-gaap_TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseNetOfTax                                                                          
Net euro assets $ 1,851us-gaap_NetInvestmentHedgeDerivativesAtFairValueNet     € 1,516us-gaap_NetInvestmentHedgeDerivativesAtFairValueNet