Annual report pursuant to Section 13 and 15(d)

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

v3.20.4
Note 25 - Other Comprehensive (Loss) Income - Reclassification Details (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Including Portion Attributable to Noncontrolling Interest [Member]      
Amounts reclassified from accumulated other comprehensive loss, gross [1],[2] $ (12) $ (11) $ (12)
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Including Portion Attributable to Noncontrolling Interest [Member] | Huntsman International LLC [Member]      
Amounts reclassified from accumulated other comprehensive loss, gross [1],[2] (12) (11) (12)
Accumulated Defined Benefit Plans Adjustment, Settlement Gain (Loss) Attributable to Noncontrolling Interest [Member]      
Amounts reclassified from accumulated other comprehensive loss, gross [1] 43 1 2
Accumulated Defined Benefit Plans Adjustment, Settlement Gain (Loss) Attributable to Noncontrolling Interest [Member] | Huntsman International LLC [Member]      
Amounts reclassified from accumulated other comprehensive loss, gross [1],[3] 43 1 2
Accumulated Defined Benefit Plans Adjustment, Curtailment Gain (Loss) Attributable to Noncontrolling Interest [Member]      
Amounts reclassified from accumulated other comprehensive loss, gross [1] (2) 0 0
Accumulated Defined Benefit Plans Adjustment, Curtailment Gain (Loss) Attributable to Noncontrolling Interest [Member] | Huntsman International LLC [Member]      
Amounts reclassified from accumulated other comprehensive loss, gross [1],[3] (2) 0 0
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Including Portion Attributable to Noncontrolling Interest [Member] | Discontinued Operations [Member]      
Amounts reclassified from accumulated other comprehensive loss, gross [1],[2],[3] 82 72 87
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Including Portion Attributable to Noncontrolling Interest [Member] | Huntsman International LLC [Member] | Discontinued Operations [Member]      
Amounts reclassified from accumulated other comprehensive loss, gross [1],[2],[3] 86 75 90
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member]      
Amounts reclassified from accumulated other comprehensive loss, gross [1] 111 [4],[5] 62 [5],[6] 77
Tax expense [1] (25) [4] (12) [6] (13)
Total reclassifications for the period [1] 86 50 64
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member] | Discontinued Operations [Member]      
Amounts reclassified from accumulated other comprehensive loss, gross (5) (7) (22)
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member] | Huntsman International LLC [Member]      
Amounts reclassified from accumulated other comprehensive loss, gross [1] 115 [5],[7] 65 [5],[8] 80
Tax expense [1] (26) [7] (12) [8] (14)
Total reclassifications for the period [1] 89 53 66
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member] | Huntsman International LLC [Member] | Discontinued Operations [Member]      
Amounts reclassified from accumulated other comprehensive loss, gross $ (5) $ (7) $ (22)
[1] Pension and other postretirement benefits amounts in parentheses indicate credits on our consolidated statements of operations.
[2] These accumulated other comprehensive loss components are included in the computation of net periodic pension costs. See "Note 19. Employee Benefit Plans."
[3] Amounts contain approximately $5, $7 and $22 of prior service credit and actuarial loss related to discontinued operations for the years ended December 31, 2020, 2019 and 2018, respectively.
[4] Amounts are net of tax of $157 and $148 as of December 31, 2020 and January 1, 2020, respectively.
[5] See table below for details about these reclassifications.
[6] Amounts are net of tax of $148 and $135 as of December 31, 2019 and January 1, 2019, respectively.
[7] Amounts are net of tax of $178 and $174 as of December 31, 2020 and January 1, 2020, respectively.
[8] Amounts are net of tax of $174 and $161 as of December 31, 2019 and January 1, 2019, respectively.