Annual report pursuant to Section 13 and 15(d)

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

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OTHER COMPREHENSIVE INCOME (LOSS) - COMPONENTS AND CHANGES IN ACCUMULATED OTHER COMPREHENSIVE LOSS - HUNTSMAN INTERNATIONAL (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Components of other comprehensive loss      
Other comprehensive income (loss), net of tax $ 296 $ (391) $ (240)
HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES      
Components of other comprehensive loss      
Balance at the beginning of the period 936 1,084 1,296
Other comprehensive income (loss), net of tax 321 (383) (234)
Balance at the end of the period 2,834 936 1,084
Total      
Components of other comprehensive loss      
Other comprehensive (loss) income before reclassifications, gross 194 (479)  
Tax benefit 46 49  
Amounts reclassified from accumulated other comprehensive loss, gross 70 54  
Tax expense (14) (15)  
Other comprehensive income (loss), net of tax   (391)  
Net current-period other comprehensive income (loss) 296    
Total | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES      
Components of other comprehensive loss      
Balance at the beginning of the period (1,727) (1,344)  
Other comprehensive (loss) income before reclassifications, gross 194 (478)  
Tax benefit 46 49  
Amounts reclassified from accumulated other comprehensive loss, gross 76 62  
Contribution of other comprehensive income from Parent 20    
Tax expense (15) (16)  
Other comprehensive income (loss), net of tax   (383)  
Net current-period other comprehensive income (loss) 321    
Balance at the end of the period (1,406) (1,727) (1,344)
Foreign currency translation adjustment      
Components of other comprehensive loss      
Other comprehensive (loss) income before reclassifications, gross 175 (162)  
Tax benefit 35 (10)  
Amounts reclassified from accumulated other comprehensive loss, gross   1  
Other comprehensive income (loss), net of tax   (171)  
Net current-period other comprehensive income (loss) 210    
Foreign currency translation adjustment, tax 65 100 90
Foreign currency translation adjustment | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES      
Components of other comprehensive loss      
Balance at the beginning of the period (462) (292)  
Other comprehensive (loss) income before reclassifications, gross 175 (161)  
Tax benefit 35 (10)  
Amounts reclassified from accumulated other comprehensive loss, gross   1  
Other comprehensive income (loss), net of tax   (170)  
Net current-period other comprehensive income (loss) 210    
Balance at the end of the period (252) (462) (292)
Foreign currency translation adjustment, tax 51 86 76
Pension and other postretirement benefits adjustments      
Components of other comprehensive loss      
Other comprehensive (loss) income before reclassifications, gross 11 (315)  
Tax benefit 9 58  
Amounts reclassified from accumulated other comprehensive loss, gross 80 53 69
Tax expense (14) (15) (14)
Other comprehensive income (loss), net of tax   (219)  
Net current-period other comprehensive income (loss) 86    
Pension and other postretirement benefits adjustments, tax 172 177 135
Pension and other postretirement benefits adjustments | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES      
Components of other comprehensive loss      
Balance at the beginning of the period (1,286) (1,074)  
Other comprehensive (loss) income before reclassifications, gross 12 (315)  
Tax benefit 9 58  
Amounts reclassified from accumulated other comprehensive loss, gross 86 61 77
Contribution of other comprehensive income from Parent 20    
Tax expense (15) (16) (15)
Other comprehensive income (loss), net of tax   (212)  
Net current-period other comprehensive income (loss) 112    
Balance at the end of the period (1,174) (1,286) (1,074)
Pension and other postretirement benefits adjustments, tax 199 205 163
Other comprehensive income of unconsolidated affiliates      
Components of other comprehensive loss      
Other comprehensive (loss) income before reclassifications, gross (1) (7)  
Other comprehensive income (loss), net of tax   (7)  
Net current-period other comprehensive income (loss) (1)    
Other comprehensive income of unconsolidated affiliates | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES      
Components of other comprehensive loss      
Balance at the beginning of the period 4 11  
Other comprehensive (loss) income before reclassifications, gross (1) (7)  
Other comprehensive income (loss), net of tax   (7)  
Net current-period other comprehensive income (loss) (1)    
Balance at the end of the period 3 4 11
Other, net      
Components of other comprehensive loss      
Other comprehensive (loss) income before reclassifications, gross 9 5  
Tax benefit 2 1  
Amounts reclassified from accumulated other comprehensive loss, gross (10)    
Other comprehensive income (loss), net of tax   6  
Net current-period other comprehensive income (loss) 1    
Other, net | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES      
Components of other comprehensive loss      
Balance at the beginning of the period 17 11  
Other comprehensive (loss) income before reclassifications, gross 8 5  
Tax benefit 2 1  
Amounts reclassified from accumulated other comprehensive loss, gross (10)    
Other comprehensive income (loss), net of tax   6  
Balance at the end of the period 17 17 11
Amounts attributable to noncontrolling interests      
Components of other comprehensive loss      
Other comprehensive (loss) income before reclassifications, gross (22) 8  
Other comprehensive income (loss), net of tax   8  
Net current-period other comprehensive income (loss) (22)    
Disposition of a portion of P and A Business 129    
Amounts attributable to noncontrolling interests | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES      
Components of other comprehensive loss      
Balance at the beginning of the period 36 28  
Other comprehensive (loss) income before reclassifications, gross (22) 8  
Other comprehensive income (loss), net of tax   8  
Net current-period other comprehensive income (loss) (22)    
Disposition of a portion of P and A Business 129    
Balance at the end of the period 143 36 28
Accumulated other comprehensive (loss) income      
Components of other comprehensive loss      
Other comprehensive (loss) income before reclassifications, gross 172 (471)  
Tax benefit 46 49  
Amounts reclassified from accumulated other comprehensive loss, gross 70 54  
Tax expense (14) (15)  
Other comprehensive income (loss), net of tax 403 (383) (235)
Net current-period other comprehensive income (loss) 274    
Disposition of a portion of P and A Business 129    
Accumulated other comprehensive (loss) income | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES      
Components of other comprehensive loss      
Balance at the beginning of the period (1,691) (1,316) (1,087)
Other comprehensive (loss) income before reclassifications, gross 172 (470)  
Tax benefit 46 49  
Amounts reclassified from accumulated other comprehensive loss, gross 76 62  
Contribution of other comprehensive income from Parent 20    
Tax expense (15) (16)  
Other comprehensive income (loss), net of tax 428 (375) (229)
Net current-period other comprehensive income (loss) 299    
Disposition of a portion of P and A Business 129    
Balance at the end of the period $ (1,263) $ (1,691) $ (1,316)