Quarterly report pursuant to Section 13 or 15(d)

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

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OTHER COMPREHENSIVE INCOME (LOSS) - COMPONENTS AND CHANGES IN ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME - HUNTSMAN CORPORATION (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Dec. 31, 2014
Components of other comprehensive income (loss)        
Balance at the beginning of the period $ 1,629 $ 1,951 $ 1,951  
Other comprehensive income (loss), net of tax 29 (170)    
Balance at the end of the period 1,685 1,773 1,629 $ 1,951
Total        
Components of other comprehensive income (loss)        
Balance at the beginning of the period (1,316) (1,076) (1,076)  
Other comprehensive income (loss) before reclassifications, gross 6 (156)    
Tax benefit (expense) 10 (27)    
Amounts reclassified from accumulated other comprehensive loss, gross 13 17    
Tax (expense) benefit   (4)    
Other comprehensive income (loss), net of tax 29 (170)    
Balance at the end of the period (1,287) (1,246) (1,316) (1,076)
Foreign currency translation adjustment        
Components of other comprehensive income (loss)        
Balance at the beginning of the period (288) 25 25  
Other comprehensive income (loss) before reclassifications, gross 17 (155)    
Tax benefit (expense) 10 (27)    
Other comprehensive income (loss), net of tax 27 (182)    
Balance at the end of the period (261) (157) (288) 25
Foreign currency translations adjustments, tax 80 74 90 47
Pension and other postretirement benefits adjustments        
Components of other comprehensive income (loss)        
Balance at the beginning of the period (1,056) (1,122) (1,122)  
Amounts reclassified from accumulated other comprehensive loss, gross 13 17    
Tax (expense) benefit   (4)    
Other comprehensive income (loss), net of tax 13 13    
Balance at the end of the period (1,043) (1,109) (1,056) (1,122)
Pension and other postretirement benefits adjustments, tax 135 178 135 182
Other comprehensive income of unconsolidated affiliates        
Components of other comprehensive income (loss)        
Balance at the beginning of the period 11 10 10  
Other comprehensive income (loss) before reclassifications, gross (11) (1)    
Other comprehensive income (loss), net of tax (11) (1)    
Balance at the end of the period   9 11 10
Other, net        
Components of other comprehensive income (loss)        
Balance at the beginning of the period 17 11 11  
Balance at the end of the period 17 11 17 11
Amounts attributable to noncontrolling interests        
Components of other comprehensive income (loss)        
Balance at the beginning of the period 28 23 23  
Other comprehensive income (loss) before reclassifications, gross (2) 7    
Other comprehensive income (loss), net of tax (2) 7    
Balance at the end of the period 26 30 28 23
Accumulated other comprehensive loss        
Components of other comprehensive income (loss)        
Balance at the beginning of the period (1,288) (1,053) (1,053)  
Other comprehensive income (loss) before reclassifications, gross 4 (149)    
Tax benefit (expense) 10 (27)    
Amounts reclassified from accumulated other comprehensive loss, gross 13 17    
Tax (expense) benefit   (4)    
Other comprehensive income (loss), net of tax 27 (163)    
Balance at the end of the period $ (1,261) $ (1,216) $ (1,288) $ (1,053)