Annual report pursuant to Section 13 and 15(d)

Schedule I-Condensed Financial Information of Registrant (PARENT ONLY) (Details 4)

v2.4.1.9
Schedule I-Condensed Financial Information of Registrant (PARENT ONLY) (Details 4) (USD $)
3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Increase (Decrease) in Stockholders' Equity                        
Balance       $ 1,980,000,000us-gaap_StockholdersEquity         $ 1,980,000,000us-gaap_StockholdersEquity      
Net income (38,000,000)us-gaap_NetIncomeLoss 188,000,000us-gaap_NetIncomeLoss 119,000,000us-gaap_NetIncomeLoss 54,000,000us-gaap_NetIncomeLoss 41,000,000us-gaap_NetIncomeLoss 64,000,000us-gaap_NetIncomeLoss 47,000,000us-gaap_NetIncomeLoss (24,000,000)us-gaap_NetIncomeLoss 323,000,000us-gaap_NetIncomeLoss 128,000,000us-gaap_NetIncomeLoss 363,000,000us-gaap_NetIncomeLoss  
Other comprehensive income (loss)                 (491,000,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax 172,000,000us-gaap_OtherComprehensiveIncomeLossNetOfTax (186,000,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax  
Vesting of stock awards                 7,000,000us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation 5,000,000us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation 10,000,000us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation  
Recognition of stock-based compensation                 24,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue 21,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue 21,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue  
Repurchase and cancellation of stock awards                 (7,000,000)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue (6,000,000)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue (7,000,000)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue  
Stock options exercised                 48,000,000us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised 13,000,000us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised 3,000,000us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised  
Excess tax benefit related to stock-based compensation                 1,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation 1,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation 4,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation  
Acquisition of a business                 16,000,000us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance   (2,000,000)us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance  
Accrued and unpaid dividends                 (1,000,000)hun_AccruedAndUnpaidDividends (2,000,000)hun_AccruedAndUnpaidDividends    
Dividends declared on common stock                 (121,000,000)us-gaap_DividendsCommonStockCash (120,000,000)us-gaap_DividendsCommonStockCash (96,000,000)us-gaap_DividendsCommonStockCash  
Balance 1,778,000,000us-gaap_StockholdersEquity       1,980,000,000us-gaap_StockholdersEquity       1,778,000,000us-gaap_StockholdersEquity 1,980,000,000us-gaap_StockholdersEquity    
Common stock                        
Increase (Decrease) in Stockholders' Equity                        
Balance (in shares)       240,401,442us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
      238,273,422us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
240,401,442us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
238,273,422us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
235,746,087us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
 
Vesting of stock awards (in shares)                 1,018,050us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
1,067,888us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
2,162,043us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
 
Repurchase of common stock (in shares)                 (302,200)us-gaap_TreasuryStockSharesAcquired
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
     
Repurchase and cancellation of stock awards (in shares)                   (304,209)us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
(537,039)us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
 
Stock options exercised                 1,000,000us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
     
Stock options exercised (in shares)                 2,299,687us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
1,364,341us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
902,331us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
 
Balance (in shares) 243,416,979us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
      240,401,442us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
      243,416,979us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
240,401,442us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
238,273,422us-gaap_SharesIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
 
Additional paid-in capital                        
Increase (Decrease) in Stockholders' Equity                        
Issuance of nonvested stock awards                 15,000,000us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
14,000,000us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
12,000,000us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Vesting of stock awards                 7,000,000us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
5,000,000us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
10,000,000us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Recognition of stock-based compensation                 10,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
8,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
9,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Stock options exercised                 47,000,000us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
13,000,000us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
3,000,000us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Excess tax benefit related to stock-based compensation                 1,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
1,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
4,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Acquisition of a business                     (2,000,000)us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Unearned stock-based compensation                        
Increase (Decrease) in Stockholders' Equity                        
Issuance of nonvested stock awards                 (15,000,000)us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
(14,000,000)us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
(12,000,000)us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
 
Recognition of stock-based compensation                 14,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
13,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
12,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
 
Accumulated deficit                        
Increase (Decrease) in Stockholders' Equity                        
Repurchase and cancellation of stock awards                 (7,000,000)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(6,000,000)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(7,000,000)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
 
Accrued and unpaid dividends                 (1,000,000)hun_AccruedAndUnpaidDividends
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(2,000,000)hun_AccruedAndUnpaidDividends
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
   
Dividends declared on common stock                 (121,000,000)us-gaap_DividendsCommonStockCash
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(120,000,000)us-gaap_DividendsCommonStockCash
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(96,000,000)us-gaap_DividendsCommonStockCash
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
 
Accumulated other comprehensive (loss) income                        
Increase (Decrease) in Stockholders' Equity                        
Other comprehensive income (loss)                 (476,000,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
167,000,000us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(185,000,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
 
Huntsman Corporation                        
Increase (Decrease) in Stockholders' Equity                        
Balance       1,980,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
      1,773,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
1,980,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
1,773,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
1,662,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
 
Net income                 323,000,000us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
128,000,000us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
363,000,000us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
 
Other comprehensive income (loss)                 (476,000,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
167,000,000us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
(185,000,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
 
Vesting of stock awards                 7,000,000us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
5,000,000us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
10,000,000us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
 
Recognition of stock-based compensation                 24,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
21,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
21,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
 
Repurchase and cancellation of stock awards                 (7,000,000)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
(6,000,000)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
(7,000,000)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
 
Stock options exercised                 48,000,000us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
13,000,000us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
3,000,000us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
 
Excess tax benefit related to stock-based compensation                 1,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
1,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
4,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
 
Acquisition of a business                   (2,000,000)us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
(2,000,000)us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
 
Accrued and unpaid dividends                 (1,000,000)hun_AccruedAndUnpaidDividends
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
     
Dividends declared on common stock                 (121,000,000)us-gaap_DividendsCommonStockCash
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
(120,000,000)us-gaap_DividendsCommonStockCash
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
(96,000,000)us-gaap_DividendsCommonStockCash
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
 
Balance 1,778,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
      1,980,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
      1,778,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
1,980,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
1,773,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
 
Huntsman Corporation | Common stock                        
Increase (Decrease) in Stockholders' Equity                        
Balance       2,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
      2,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
2,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
2,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
2,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
 
Balance (in shares)       240,401,442us-gaap_SharesIssued
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
      238,273,422us-gaap_SharesIssued
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
240,401,442us-gaap_SharesIssued
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
238,273,422us-gaap_SharesIssued
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
235,746,087us-gaap_SharesIssued
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
 
Vesting of stock awards (in shares)                 1,018,050us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
1,067,888us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
2,162,043us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
 
Repurchase and cancellation of stock awards (in shares)                 (302,200)us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
(304,209)us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
(537,039)us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
 
Stock options exercised                 1,000,000us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
1,364,341us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
902,331us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
 
Stock options exercised (in shares)                 2,299,687us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
     
Balance 3,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
      2,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
      3,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
2,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
2,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
 
Balance (in shares) 243,416,979us-gaap_SharesIssued
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
      240,401,442us-gaap_SharesIssued
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
      243,416,979us-gaap_SharesIssued
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
240,401,442us-gaap_SharesIssued
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
238,273,422us-gaap_SharesIssued
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
 
Huntsman Corporation | Additional paid-in capital                        
Increase (Decrease) in Stockholders' Equity                        
Balance       3,305,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
      3,264,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
3,305,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
3,264,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
3,228,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Issuance of nonvested stock awards                 15,000,000us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
14,000,000us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
12,000,000us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Vesting of stock awards                 7,000,000us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
5,000,000us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
10,000,000us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Recognition of stock-based compensation                 10,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
8,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
9,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Stock options exercised                 47,000,000us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
13,000,000us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
3,000,000us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Excess tax benefit related to stock-based compensation                 1,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
1,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
4,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Acquisition of a business                     (2,000,000)us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Balance 3,385,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
      3,305,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
      3,385,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
3,305,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
3,264,000,000us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
 
Huntsman Corporation | Treasury stock                        
Increase (Decrease) in Stockholders' Equity                        
Balance                       (50,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
Balance (50,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
      (50,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
      (50,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
(50,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
(50,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
(50,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
Huntsman Corporation | Unearned stock-based compensation                        
Increase (Decrease) in Stockholders' Equity                        
Balance       (13,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
      (12,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
(13,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
(12,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
(12,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
 
Issuance of nonvested stock awards                 (15,000,000)us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
(14,000,000)us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
(12,000,000)us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
 
Recognition of stock-based compensation                 14,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
13,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
12,000,000us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
 
Balance (14,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
      (13,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
      (14,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
(13,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
(12,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_DeferredCompensationShareBasedPaymentsMember
 
Huntsman Corporation | Accumulated deficit                        
Increase (Decrease) in Stockholders' Equity                        
Balance       (687,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
      (687,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(687,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(687,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(947,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
 
Net income                 323,000,000us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
128,000,000us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
363,000,000us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
 
Repurchase and cancellation of stock awards                 (7,000,000)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(6,000,000)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(7,000,000)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
 
Acquisition of a business                   (2,000,000)us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
   
Accrued and unpaid dividends                 (1,000,000)hun_AccruedAndUnpaidDividends
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
     
Dividends declared on common stock                 (121,000,000)us-gaap_DividendsCommonStockCash
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(120,000,000)us-gaap_DividendsCommonStockCash
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(96,000,000)us-gaap_DividendsCommonStockCash
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
 
Balance (493,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
      (687,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
      (493,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(687,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
(687,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
 
Huntsman Corporation | Accumulated other comprehensive (loss) income                        
Increase (Decrease) in Stockholders' Equity                        
Balance       (577,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
      (744,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(577,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(744,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(559,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
 
Other comprehensive income (loss)                 (476,000,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
167,000,000us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(185,000,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
 
Balance $ (1,053,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
      $ (577,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
      $ (1,053,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
$ (577,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
$ (744,000,000)us-gaap_StockholdersEquity
/ dei_LegalEntityAxis
= hun_HuntsmanCorporationParentCompanyMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember