Annual report pursuant to Section 13 and 15(d)

Note 25 - Other Comprehensive (Loss) Income (Details Textual)

v3.20.4
Note 25 - Other Comprehensive (Loss) Income (Details Textual) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member]      
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax, Total $ 56 $ 68 $ 71
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax [2] (0) [1] (0) [3]  
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member] | Huntsman International LLC [Member]      
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax, Total 43 55 57
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax [2] (0) [4] (0) [5]  
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member]      
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Total 153 148 135
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax [7] (111) [2],[6] (62) [2],[8] (77)
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member] | Huntsman International LLC [Member]      
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Total 178 174 161
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax [7] (115) [2],[9] (65) [2],[10] (80)
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member] | Discontinued Operations [Member]      
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax 5 7 22
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member] | Discontinued Operations [Member] | Huntsman International LLC [Member]      
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax $ 5 $ 7 $ 22
[1] Amounts are net of tax of $56 and $68 as of December 31, 2020 and January 1, 2020, respectively.
[2] See table below for details about these reclassifications.
[3] Amounts are net of tax of $68 and $71 as of December 31, 2019 and January 1, 2019, respectively.
[4] Amounts are net of tax of $43 and $55 as of December 31, 2020 and January 1, 2020, respectively.
[5] Amounts are net of tax of $55 and $57 as of December 31, 2019 and January 1, 2019, respectively.
[6] Amounts are net of tax of $157 and $148 as of December 31, 2020 and January 1, 2020, respectively.
[7] Pension and other postretirement benefits amounts in parentheses indicate credits on our consolidated statements of operations.
[8] Amounts are net of tax of $148 and $135 as of December 31, 2019 and January 1, 2019, respectively.
[9] Amounts are net of tax of $178 and $174 as of December 31, 2020 and January 1, 2020, respectively.
[10] Amounts are net of tax of $174 and $161 as of December 31, 2019 and January 1, 2019, respectively.