Quarterly report [Sections 13 or 15(d)]

Note 15 - Accumulated Other Comprehensive Loss - Components and Changes in Accumulated Other Comprehensive Loss (Details)

v3.25.2
Note 15 - Accumulated Other Comprehensive Loss - Components and Changes in Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Balance $ 3,171 $ 3,163 $ 3,394 $ 3,478 $ 3,163 $ 3,478
Other comprehensive income (loss), net of tax 73 33 (24) (23) 106 (47)
Balance 3,061 3,171 3,336 3,394 3,061 3,336
Huntsman International LLC [Member]            
Balance 3,173 3,170 3,403 3,491 3,170 3,491
Other comprehensive income (loss), net of tax 73 33 (24) (23) 106 (47)
Balance 3,068 3,173 3,345 3,403 3,068 3,345
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member]            
Balance   (675) [1]   (614) [2],[3] (675) [1] (614) [2],[3]
Other comprehensive income (loss) before reclassifications, gross         94 [1] (64) [3]
Tax impact         9 [1] 0 [2],[3]
Amounts reclassified from accumulated other comprehensive loss, gross [4]         0 [1] 0 [2],[3]
Tax impact         0 [1] 0 [2],[3]
Other comprehensive income (loss), net of tax         103 [1] (64) [2],[3]
Balance (572) [1]   (678) [2],[3]   (572) [1] (678) [2],[3]
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member] | Huntsman International LLC [Member]            
Balance   (680) [5]   (619) [6] (680) [5] (619) [6]
Other comprehensive income (loss) before reclassifications, gross         94 [5] (64) [6]
Tax impact         9 [5] 0 [6]
Amounts reclassified from accumulated other comprehensive loss, gross [4]         0 [5] 0 [6]
Tax impact         0 [5] 0 [6]
Other comprehensive income (loss), net of tax         103 [5] (64) [6]
Balance (577) [5]   (683) [6]   (577) [5] (683) [6]
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member]            
Balance   (552) [7]   (656) [8],[9] (552) [7] (656) [8],[9]
Other comprehensive income (loss) before reclassifications, gross         (12) [7] 2 [8]
Tax impact         0 [7] 0 [8],[9]
Amounts reclassified from accumulated other comprehensive loss, gross [10],[11] 6   7   10 [4],[7] 13 [4],[8],[9]
Tax impact [10],[11] (1)   0   (1) [7] (1) [8],[9]
Other comprehensive income (loss), net of tax         (3) [7] 14 [8],[9]
Balance (555) [7]   (642) [8],[9]   (555) [7] (642) [8],[9]
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member] | Huntsman International LLC [Member]            
Balance   (528) [12]   (632) [13],[14] (528) [12] (632) [13],[14]
Other comprehensive income (loss) before reclassifications, gross         (12) [12] 2 [13]
Tax impact         0 [12] 0 [13],[14]
Amounts reclassified from accumulated other comprehensive loss, gross [10],[11] 6   7   10 [4],[12] 13 [4],[13],[14]
Tax impact [10],[11] (1)   0   (1) [12] (1) [13],[14]
Other comprehensive income (loss), net of tax         (3) [12] 14 [13],[14]
Balance (531) [12]   (618) [13],[14]   (531) [12] (618) [13],[14]
Accumulated Other Comprehensive Income, Other, Net, Including Portion Attributable to Noncontrolling Interest [Member]            
Balance   0   (3) 0 (3)
Other comprehensive income (loss) before reclassifications, gross         6 3
Tax impact         0 0
Amounts reclassified from accumulated other comprehensive loss, gross [4]         0 0
Tax impact         0 0
Other comprehensive income (loss), net of tax         6 3
Balance 6   0   6 0
Accumulated Other Comprehensive Income, Other, Net, Including Portion Attributable to Noncontrolling Interest [Member] | Huntsman International LLC [Member]            
Balance   (4)   (7) (4) (7)
Other comprehensive income (loss) before reclassifications, gross         6 3
Tax impact         0 0
Amounts reclassified from accumulated other comprehensive loss, gross [4]         0 0
Tax impact         0 0
Other comprehensive income (loss), net of tax         6 3
Balance 2   (4)   2 (4)
Accumulated Other Comprehensive Income (Loss), Unconsolidated Affiliates Including Portion Attributable to Noncontrolling Interest [Member]            
Balance   (1,227)   (1,273) (1,227) (1,273)
Other comprehensive income (loss) before reclassifications, gross         88 (59)
Tax impact         9 0
Amounts reclassified from accumulated other comprehensive loss, gross [4]         10 13
Tax impact         (1) (1)
Other comprehensive income (loss), net of tax         106 (47)
Balance (1,121)   (1,320)   (1,121) (1,320)
Accumulated Other Comprehensive Income (Loss), Unconsolidated Affiliates Including Portion Attributable to Noncontrolling Interest [Member] | Huntsman International LLC [Member]            
Balance   (1,212)   (1,258) (1,212) (1,258)
Other comprehensive income (loss) before reclassifications, gross         88 (59)
Tax impact         9 0
Amounts reclassified from accumulated other comprehensive loss, gross [4]         10 13
Tax impact         (1) (1)
Other comprehensive income (loss), net of tax         106 (47)
Balance (1,106)   (1,305)   (1,106) (1,305)
AOCI Attributable to Noncontrolling Interest [Member]            
Balance   27   28 27 28
Other comprehensive income (loss) before reclassifications, gross         0 (1)
Tax impact         0 0
Amounts reclassified from accumulated other comprehensive loss, gross [4]         0 0
Tax impact         0 0
Other comprehensive income (loss), net of tax         0 (1)
Balance 27   27   27 27
AOCI Attributable to Noncontrolling Interest [Member] | Huntsman International LLC [Member]            
Balance   27   28 27 28
Other comprehensive income (loss) before reclassifications, gross         0 (1)
Tax impact         0 0
Amounts reclassified from accumulated other comprehensive loss, gross [4]         0 0
Tax impact         0 0
Other comprehensive income (loss), net of tax         0 (1)
Balance 27   27   27 27
AOCI Attributable to Parent [Member]            
Balance (1,167) (1,200) (1,269) (1,245) (1,200) (1,245)
Other comprehensive income (loss) before reclassifications, gross         88 (60)
Tax impact         9 0
Amounts reclassified from accumulated other comprehensive loss, gross [4]         10 13
Tax impact         (1) (1)
Other comprehensive income (loss), net of tax 73 33 (24) (24) 106 (48)
Balance (1,094) (1,167) (1,293) (1,269) (1,094) (1,293)
AOCI Attributable to Parent [Member] | Huntsman International LLC [Member]            
Balance (1,152) (1,185) (1,254) (1,230) (1,185) (1,230)
Other comprehensive income (loss) before reclassifications, gross         88 (60)
Tax impact         9 0
Amounts reclassified from accumulated other comprehensive loss, gross [4]         10 13
Tax impact         (1) (1)
Other comprehensive income (loss), net of tax 73 33 (24) (24) 106 (48)
Balance $ (1,079) $ (1,152) $ (1,278) $ (1,254) $ (1,079) $ (1,278)
[1] Amounts are net of tax of $51 million and $60 million as of June 30, 2025 and January 1, 2025, respectively.
[2] Amounts are net of tax of $56 million as of both March 31, 2024 and January 1, 2024.
[3] Amounts are net of tax of $56 million as of both June 30, 2024 and January 1, 2024.
[4] See tables below for details about pension and other postretirement benefits reclassifications. ?
[5] Amounts are net of tax of $38 million and $47 million as of June 30, 2025 and January 1, 2025, respectively.
[6] Amounts are net of tax of $43 million as of both June 30, 2024 and January 1, 2024.
[7] Amounts are net of tax of $60 million and $61 million as of June 30, 2025 and January 1, 2025, respectively.
[8] Amounts are net of tax of $66 million and $67 million as of June 30, 2024 and January 1, 2024, respectively.
[9] Amounts are net of tax of $67 million as of both March 31, 2024 and January 1, 2024.
[10] Details of amounts reclassified from accumulated other comprehensive loss relate only to pension and other postretirement benefits.
[11] These accumulated other comprehensive loss components are included in the computation of net periodic pension costs. See “Note 13. Employee Benefit Plans.”
[12] Amounts are net of tax of $84 million and $85 million as of June 30, 2025 and January 1, 2025, respectively.
[13] Amounts are net of tax of $90 million and $91 million as of June 30, 2024 and January 1, 2024, respectively.
[14] Amounts are net of tax of $91 million as of both March 31, 2024 and January 1, 2024.