Annual report pursuant to Section 13 and 15(d)

INCOME TAXES - SUMMARY OF CHANGES IN VALUATION ALLOWANCE (Details)

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INCOME TAXES - SUMMARY OF CHANGES IN VALUATION ALLOWANCE (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Summary of changes in the valuation allowance      
Valuation allowance at the beginning of the period $ 424 $ 496 $ 526
Valuation allowance at the end of the period 227 424 496
Net (increase) decrease 197 72 30
Foreign currency movements 3 11 (11)
(Decrease) increase to deferred tax assets with no impact on operating tax expense, including an offsetting (decrease) increase to valuation allowances (15) (11) 19
Change in valuation allowance per rate reconciliation 185 72 38
Components of change in valuation allowance affecting tax expense      
Pre-tax income and losses in jurisdictions with valuation allowances resulting in no tax expense or benefit 53 50 31
Releases of valuation allowances in various jurisdictions 132 22 19
Establishments of valuation allowances in various jurisdictions     (12)
Change in valuation allowance per rate reconciliation 185 72 38
Expense (benefit) as a result of pre-tax income and losses in jurisdictions with valuation allowances 0 0 0
HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES      
Summary of changes in the valuation allowance      
Valuation allowance at the beginning of the period 424 499 530
Valuation allowance at the end of the period 227 424 499
Net (increase) decrease 197 75 31
Foreign currency movements 3 11 (11)
(Decrease) increase to deferred tax assets with no impact on operating tax expense, including an offsetting (decrease) increase to valuation allowances (15) (14) 19
Change in valuation allowance per rate reconciliation 185 72 39
Components of change in valuation allowance affecting tax expense      
Pre-tax income and losses in jurisdictions with valuation allowances resulting in no tax expense or benefit 53 49 32
Releases of valuation allowances in various jurisdictions 132 23 19
Establishments of valuation allowances in various jurisdictions     (12)
Change in valuation allowance per rate reconciliation 185 72 39
Expense (benefit) as a result of pre-tax income and losses in jurisdictions with valuation allowances $ 0 $ 0 $ 0