Annual report [Section 13 and 15(d), not S-K Item 405]

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

v3.25.4
Note 25 - Accumulated Other Comprehensive Loss - Reclassification Details (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Accumulated Defined Benefit Plans Adjustment, Actuarial Gain (Loss), Including Portion Attributable to Noncontrolling Interest [Member]      
Amounts reclassified from accumulated other comprehensive loss, gross [1],[2],[3],[4] $ 30 $ 33 $ 34
Accumulated Defined Benefit Plans Adjustment, Actuarial Gain (Loss), Including Portion Attributable to Noncontrolling Interest [Member] | Huntsman International LLC [Member]      
Amounts reclassified from accumulated other comprehensive loss, gross [1],[2],[3],[5],[6] 30 33 34
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Including Portion Attributable to Noncontrolling Interest [Member]      
Amounts reclassified from accumulated other comprehensive loss, gross [1],[4] (9) (9) (10)
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],[5],[6] (9) (9) (10)
Accumulated Defined Benefit Plans Adjustment, Settlement Gain (Loss), Including Portion Attributable to Noncontrolling Interest [Member]      
Amounts reclassified from accumulated other comprehensive loss, gross [4],[7] 3 6 73
Accumulated Defined Benefit Plans Adjustment, Settlement Gain (Loss), Including Portion Attributable to Noncontrolling Interest [Member] | Huntsman International LLC [Member]      
Amounts reclassified from accumulated other comprehensive loss, gross 3 6 73
Accumulated Defined Benefit Plans Adjustment, Curtailment Gain (Loss) Attributable to Noncontrolling Interest [Member]      
Amounts reclassified from accumulated other comprehensive loss, gross [4],[7] 0 0 (1)
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 0 0 (1)
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member]      
Amounts reclassified from accumulated other comprehensive loss, gross 24 [8],[9] 30 [9],[10],[11] 96
Tax impact (2) [8] (2) [10],[11] 23
Total reclassifications for the period 22 28 119
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member] | Huntsman International LLC [Member]      
Amounts reclassified from accumulated other comprehensive loss, gross 24 [1],[2],[9],[12] 30 [1],[2],[9],[13] 96
Tax impact [2] (2) [1],[12] (2) [1],[13] 23
Total reclassifications for the period [2] $ 22 [1] $ 28 [1] $ 119
[1] Amounts contain approximately nil, nil and $1 million of prior service credit and actuarial loss related to discontinued operations for the years ended December 31, 2025, 2024 and 2023, respectively.
[2] Details of amounts reclassified from accumulated other comprehensive loss relate only to pension and other postretirement benefits.
[3] Pension and other postretirement benefits amounts in parentheses indicate credits on our consolidated statements of operations.
[4] These accumulated other comprehensive loss components are included in the computation of net periodic pension costs. See “Note 19. Employee Benefit Plans.”
[5] In connection with the sale of our Textile Effects Business, we recognized $67 million of pension settlement losses and $1 million of pension curtailment gains for the year ended December 31, 2023.
[6] These accumulated other comprehensive loss components are included in the computation of net periodic pension costs. See “Note 12. Employee Benefit Plans.”
[7] In connection with the sale of our Textile Effects Business, we recognized $67 million of pension settlement losses and $1 million of pension curtailment gains for the year ended December 31, 2023.
[8] Amounts are net of tax of $50 million and $61 million as of December 31, 2025 and January 1, 2025, respectively.
[9] See table below for details about these reclassifications.
[10] Amounts are net of tax of $61 million and $67 million as of December 31, 2024 and January 1, 2024, respectively.
[11] Amounts are net of tax of $67 million and $31 million as of December 31, 2023 and January 1, 2023, respectively.
[12] Amounts are net of tax of $74 million and $85 million as of December 31, 2025 and January 1, 2025, respectively.
[13] Amounts are net of tax of $85 million and $91 million as of December 31, 2024 and January 1, 2024, respectively.