Quarterly report pursuant to Section 13 or 15(d)

OTHER COMPREHENSIVE INCOME - COMPONENTS AND CHANGES IN ACCUMULATED OTHER COMPREHENSIVE LOSS - HUNTSMAN INTERNATIONAL (Details)

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OTHER COMPREHENSIVE INCOME - COMPONENTS AND CHANGES IN ACCUMULATED OTHER COMPREHENSIVE LOSS - HUNTSMAN INTERNATIONAL (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Dec. 31, 2016
Components of other comprehensive income        
Other comprehensive income, net of tax $ 103 $ 97    
HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES        
Components of other comprehensive income        
Balance at the beginning of the period 2,834 936 $ 936  
Revised beginning balance     2,834  
Other comprehensive income, net of tax 105 99    
Balance at the end of the period 3,279 1,104 2,834 $ 936
Total        
Components of other comprehensive income        
Other comprehensive (loss) income before reclassifications, gross 81 76    
Tax benefit 1 3    
Amounts reclassified from accumulated other comprehensive loss, gross 22 19    
Tax benefit (expense) (1) (1)    
Other comprehensive income, net of tax   97    
Net current-period other comprehensive income (loss) 103      
Total | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES        
Components of other comprehensive income        
Balance at the beginning of the period (1,406) (1,727) (1,727)  
Revised beginning balance     (1,416)  
Other comprehensive (loss) income before reclassifications, gross 80 77    
Tax benefit 3 2    
Amounts reclassified from accumulated other comprehensive loss, gross 22 21    
Tax benefit (expense)   (1)    
Other comprehensive income, net of tax   99    
Net current-period other comprehensive income (loss) 105      
Balance at the end of the period (1,311) (1,628) (1,406) (1,727)
Foreign currency translation adjustment        
Components of other comprehensive income        
Other comprehensive (loss) income before reclassifications, gross 83 74    
Tax benefit 4 3    
Other comprehensive income, net of tax   77    
Net current-period other comprehensive income (loss) 87      
Foreign currency translation adjustment, tax 61 97 65 100
Foreign currency translation adjustment | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES        
Components of other comprehensive income        
Balance at the beginning of the period (252) (462) (462)  
Revised beginning balance     (252)  
Other comprehensive (loss) income before reclassifications, gross 81 75    
Tax benefit 4 2    
Other comprehensive income, net of tax   77    
Net current-period other comprehensive income (loss) 85      
Balance at the end of the period (167) (385) (252) (462)
Foreign currency translation adjustment, tax 48 84 51 86
Pension and other postretirement benefits adjustments        
Components of other comprehensive income        
Other comprehensive (loss) income before reclassifications, gross (2)      
Amounts reclassified from accumulated other comprehensive loss, gross 22 19    
Tax benefit (expense) 5 (1)    
Other comprehensive income, net of tax   18    
Net current-period other comprehensive income (loss) 25      
Pension and other postretirement benefits adjustments, tax 177 176 172 177
Pension and other postretirement benefits adjustments | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES        
Components of other comprehensive income        
Balance at the beginning of the period (1,174) (1,286) (1,286)  
Revised beginning balance     (1,174)  
Other comprehensive (loss) income before reclassifications, gross (2)      
Amounts reclassified from accumulated other comprehensive loss, gross 22 21    
Tax benefit (expense) 5 (1)    
Other comprehensive income, net of tax   20    
Net current-period other comprehensive income (loss) 25      
Balance at the end of the period (1,149) (1,266) (1,174) (1,286)
Pension and other postretirement benefits adjustments, tax 204 204 199 205
Other comprehensive income of unconsolidated affiliates | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES        
Components of other comprehensive income        
Balance at the beginning of the period 3 4 4  
Revised beginning balance     3  
Other comprehensive (loss) income before reclassifications, gross 1      
Net current-period other comprehensive income (loss) 1      
Balance at the end of the period 4 4 3 4
Other, net        
Components of other comprehensive income        
Other comprehensive (loss) income before reclassifications, gross   2    
Tax benefit (3)      
Tax benefit (expense) (6)      
Other comprehensive income, net of tax   2    
Net current-period other comprehensive income (loss) (9)      
Other, net | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES        
Components of other comprehensive income        
Balance at the beginning of the period 17 17 17  
Revised beginning balance     7  
Other comprehensive (loss) income before reclassifications, gross   2    
Tax benefit (1)      
Tax benefit (expense) (5)      
Other comprehensive income, net of tax   2    
Net current-period other comprehensive income (loss) (6)      
Balance at the end of the period 1 19 17 17
Amounts attributable to noncontrolling interests        
Components of other comprehensive income        
Other comprehensive (loss) income before reclassifications, gross (7) (2)    
Other comprehensive income, net of tax   (2)    
Net current-period other comprehensive income (loss) (7)      
Disposition of a portion of P and A Business (16)      
Amounts attributable to noncontrolling interests | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES        
Components of other comprehensive income        
Balance at the beginning of the period 143 36 36  
Revised beginning balance     143  
Other comprehensive (loss) income before reclassifications, gross (7) (2)    
Other comprehensive income, net of tax   (2)    
Net current-period other comprehensive income (loss) (7)      
Disposition of a portion of P and A Business (16)      
Balance at the end of the period 120 34 143 36
Accumulated other comprehensive (loss) income        
Components of other comprehensive income        
Other comprehensive (loss) income before reclassifications, gross 74 74    
Tax benefit 1 3    
Amounts reclassified from accumulated other comprehensive loss, gross 22 19    
Tax benefit (expense) (1) (1)    
Other comprehensive income, net of tax 80 95    
Net current-period other comprehensive income (loss) 96      
Disposition of a portion of P and A Business (16)      
Accumulated other comprehensive (loss) income | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES        
Components of other comprehensive income        
Balance at the beginning of the period (1,263) (1,691) (1,691)  
Revised beginning balance     (1,273)  
Other comprehensive (loss) income before reclassifications, gross 73 75    
Tax benefit 3 2    
Amounts reclassified from accumulated other comprehensive loss, gross 22 21    
Tax benefit (expense)   (1)    
Other comprehensive income, net of tax 82 97    
Net current-period other comprehensive income (loss) 98      
Disposition of a portion of P and A Business (16)      
Balance at the end of the period $ (1,191) $ (1,594) (1,263) $ (1,691)
Asu 2016-01 | Total        
Components of other comprehensive income        
Cumulative effect of changes in fair value of equity investments     (10)  
Asu 2016-01 | Total | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES        
Components of other comprehensive income        
Cumulative effect of changes in fair value of equity investments     (10)  
Asu 2016-01 | Other, net        
Components of other comprehensive income        
Cumulative effect of changes in fair value of equity investments     (10)  
Asu 2016-01 | Other, net | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES        
Components of other comprehensive income        
Cumulative effect of changes in fair value of equity investments     (10)  
Asu 2016-01 | Accumulated other comprehensive (loss) income        
Components of other comprehensive income        
Cumulative effect of changes in fair value of equity investments     (10)  
Asu 2016-01 | Accumulated other comprehensive (loss) income | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES        
Components of other comprehensive income        
Cumulative effect of changes in fair value of equity investments     $ (10)