Annual report pursuant to Section 13 and 15(d)

OTHER COMPREHENSIVE INCOME (LOSS) - RECLASSIFICATION DETAILS - HUNTSMAN CORPORATION (Details)

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OTHER COMPREHENSIVE INCOME (LOSS) - RECLASSIFICATION DETAILS - HUNTSMAN CORPORATION (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Pension and other postretirement benefits adjustments      
Reclassification from accumulated other comprehensive loss      
Total before tax $ 77 $ 80 $ 53
Income tax benefit (expense) (13) (14) (15)
Net of tax 64 66 38
Pension and other postretirement benefits adjustments | Discontinued Operations      
Reclassification from accumulated other comprehensive loss      
Total before tax 16 19 14
Prior service credit      
Reclassification from accumulated other comprehensive loss      
Total before tax (12) (15) (16)
Settlement loss      
Reclassification from accumulated other comprehensive loss      
Total before tax 2    
Actuarial loss      
Reclassification from accumulated other comprehensive loss      
Total before tax $ 87 $ 95 $ 69