Quarterly report [Sections 13 or 15(d)]

Note 15 - Accumulated Other Comprehensive Loss - Reclassification Details (Details)

v3.25.1
Note 15 - Accumulated Other Comprehensive Loss - Reclassification Details (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
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],[3] $ (2) $ (2)
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],[3],[4] (2) (2)
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] 7 8
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],[3],[4] 7 8
Accumulated Defined Benefit Plans Adjustment, Settlement Gain (Loss), Including Portion Attributable to Noncontrolling Interest [Member]    
Amounts reclassified from accumulated other comprehensive loss, gross [1],[2],[3] (1) 0
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 [1],[2],[3] (1) 0
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member]    
Amounts reclassified from accumulated other comprehensive loss, gross [1],[3],[6] 4 [5] 6 [7]
Tax impact [1],[3] 0 [5] 0 [7]
Total reclassifications for the period [1],[3] 4 6
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],[3],[6] 4 [8] 6 [9]
Tax impact [1],[3] 0 [8] 0 [9]
Total reclassifications for the period [1],[3] $ 4 $ 6
[1] Details of amounts reclassified from accumulated other comprehensive loss relate only to pension and other postretirement benefits.
[2] Pension and other postretirement benefits amounts in parentheses indicate credits on our condensed consolidated statements of operations.
[3] These accumulated other comprehensive loss components are included in the computation of net periodic pension costs. See “Note 13. Employee Benefit Plans.”
[4] These accumulated other comprehensive loss components are included in the computation of net periodic pension costs. See “Note 12. Employee Benefit Plans.”
[5] Amounts are net of tax of $61 million as of both March 31, 2025 and January 1, 2025.
[6] See table below for details about these reclassifications.
[7] Amounts are net of tax of $67 million as of both March 31, 2024 and January 1, 2024.
[8] Amounts are net of tax of $85 million as of both March 31, 2025 and January 1, 2025, respectively.
[9] Amounts are net of tax of $91 million as of both March 31, 2024 and January 1, 2024.