Quarterly report [Sections 13 or 15(d)]

Note 14 - Accumulated Other Comprehensive Loss - Components and Changes in Accumulated Other Comprehensive Loss (Details)

v3.26.3
Note 14 - Accumulated Other Comprehensive Loss - Components and Changes in Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Jun. 30, 2026
Mar. 31, 2026
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2026
Sep. 30, 2025
Balance $ 2,929 $ 2,902 $ 2,957 $ 3,061 $ 3,171 $ 3,163 $ 2,957 $ 3,163
Other comprehensive (loss) income, net of tax (2) 29 (9) 1 73 33 18 107
Balance 2,908 2,929 2,902 3,001 3,061 3,171 2,908 3,001
Huntsman International LLC [Member]                
Balance 2,933 2,906 2,964 3,068 3,173 3,170 2,964 3,170
Other comprehensive (loss) income, net of tax (2) 29 (10) 1 73 33 17 107
Balance 2,910 2,933 2,906 3,008 3,068 3,173 2,910 3,008
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member]                
Balance     (543) [1]     (675) [2] (543) [1] (675) [2]
Other comprehensive (loss) income before reclassifications, gross             (6) [1] 91 [2]
Tax impact             0 [1] 8 [2]
Amounts reclassified from accumulated other comprehensive loss, gross             7 [1],[3] 0 [2],[4]
Tax impact             0 [1] 0 [2]
Other comprehensive (loss) income, net of tax             1 [1] 99 [2]
Balance (542) [1]     (576) [2]     (542) [1] (576) [2]
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member] | Huntsman International LLC [Member]                
Balance     (547) [5]     (680) [6] (547) [5] (680) [6]
Other comprehensive (loss) income before reclassifications, gross             (7) [5] 91 [6]
Tax impact             0 [5] 8 [6]
Amounts reclassified from accumulated other comprehensive loss, gross             7 [3],[5] 0 [4],[6]
Tax impact             0 [5] 0 [6]
Other comprehensive (loss) income, net of tax             0 [5] 99 [6]
Balance (547) [5]     (581) [6]     (547) [5] (581) [6]
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member]                
Balance     (490) [7]     (552) [8] (490) [7] (552) [8]
Other comprehensive (loss) income before reclassifications, gross             0 [7] (12) [8]
Tax impact             0 [7] 0 [8]
Amounts reclassified from accumulated other comprehensive loss, gross [9],[10] 5     5     15 [3],[7] 15 [4],[8]
Tax impact [9],[10] 1     0     0 [7] (1) [8]
Other comprehensive (loss) income, net of tax             15 [7] 2 [8]
Balance (475) [7]     (550) [8]     (475) [7] (550) [8]
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member] | Huntsman International LLC [Member]                
Balance     (466) [11]     (528) [12] (466) [11] (528) [12]
Other comprehensive (loss) income before reclassifications, gross             0 [11] (12) [12]
Tax impact             0 [11] 0 [12]
Amounts reclassified from accumulated other comprehensive loss, gross [9],[13] 5     5     15 [3],[11] 15 [4],[12]
Tax impact [9],[13] 1     0     0 [11] (1) [12]
Other comprehensive (loss) income, net of tax             15 [11] 2 [12]
Balance (451) [11]     (526) [12]     (451) [11] (526) [12]
Accumulated Other Comprehensive Income, Other, Net, Including Portion Attributable to Noncontrolling Interest [Member]                
Balance     4     0 4 0
Other comprehensive (loss) income before reclassifications, gross             2 6
Tax impact             0 0
Amounts reclassified from accumulated other comprehensive loss, gross             0 [3] 0 [4]
Tax impact             0 0
Other comprehensive (loss) income, net of tax             2 6
Balance 6     6     6 6
Accumulated Other Comprehensive Income, Other, Net, Including Portion Attributable to Noncontrolling Interest [Member] | Huntsman International LLC [Member]                
Balance     0     (4) 0 (4)
Other comprehensive (loss) income before reclassifications, gross             2 6
Tax impact             0 0
Amounts reclassified from accumulated other comprehensive loss, gross             0 [3] 0 [4]
Tax impact             0 0
Other comprehensive (loss) income, net of tax             2 6
Balance 2     2     2 2
Accumulated Other Comprehensive Income (Loss), Unconsolidated Affiliates Including Portion Attributable to Noncontrolling Interest [Member]                
Balance     (1,029)     (1,227) (1,029) (1,227)
Other comprehensive (loss) income before reclassifications, gross             (4) 85
Tax impact             0 8
Amounts reclassified from accumulated other comprehensive loss, gross             22 [3] 15 [4]
Tax impact             0 (1)
Other comprehensive (loss) income, net of tax             18 107
Balance (1,011)     (1,120)     (1,011) (1,120)
Accumulated Other Comprehensive Income (Loss), Unconsolidated Affiliates Including Portion Attributable to Noncontrolling Interest [Member] | Huntsman International LLC [Member]                
Balance     (1,013)     (1,212) (1,013) (1,212)
Other comprehensive (loss) income before reclassifications, gross             (5) 85
Tax impact             0 8
Amounts reclassified from accumulated other comprehensive loss, gross             22 [3] 15 [4]
Tax impact             0 (1)
Other comprehensive (loss) income, net of tax             17 107
Balance (996)     (1,105)     (996) (1,105)
AOCI Attributable to Noncontrolling Interest [Member]                
Balance     23     27 23 27
Other comprehensive (loss) income before reclassifications, gross             (7) (1)
Tax impact             0 0
Amounts reclassified from accumulated other comprehensive loss, gross             0 [3] 0 [4]
Tax impact             0 0
Other comprehensive (loss) income, net of tax             (7) (1)
Balance 16     26     16 26
AOCI Attributable to Noncontrolling Interest [Member] | Huntsman International LLC [Member]                
Balance     23     27 23 27
Other comprehensive (loss) income before reclassifications, gross             (7) (1)
Tax impact             0 0
Amounts reclassified from accumulated other comprehensive loss, gross             0 [3] 0 [4]
Tax impact             0 0
Other comprehensive (loss) income, net of tax             (7) (1)
Balance 16     26     16 26
AOCI Attributable to Parent [Member]                
Balance (991) (1,017) (1,006) (1,094) (1,167) (1,200) (1,006) (1,200)
Other comprehensive (loss) income before reclassifications, gross             (11) 84
Tax impact             0 8
Amounts reclassified from accumulated other comprehensive loss, gross             22 [3] 15 [4]
Tax impact             0 (1)
Other comprehensive (loss) income, net of tax (4) 26 (11) 0 73 33 11 106
Balance (995) (991) (1,017) (1,094) (1,094) (1,167) (995) (1,094)
AOCI Attributable to Parent [Member] | Huntsman International LLC [Member]                
Balance (976) (1,002) (990) (1,079) (1,152) (1,185) (990) (1,185)
Other comprehensive (loss) income before reclassifications, gross             (12) 84
Tax impact             0 8
Amounts reclassified from accumulated other comprehensive loss, gross             22 [3] 15 [4]
Tax impact             0 (1)
Other comprehensive (loss) income, net of tax (4) 26 (12) 0 73 33 10 106
Balance $ (980) $ (976) $ (1,002) $ (1,079) $ (1,079) $ (1,152) $ (980) $ (1,079)
[1] Amounts are net of tax of $52 million as of both September 30, 2026 and January 1, 2026.
[2] Amounts are net of tax of $52 million and $60 million as of September 30, 2025 and January 1, 2025, respectively.
[3] The foreign currency translation adjustment reclassification amount related to the sale of our Gomet business and was recorded in gain on sale of business, net in our condensed consolidated statements of operations. See tables below for details about pension and other postretirement benefits reclassifications.
[4] See tables below for details about pension and other postretirement benefits reclassifications.
[5] Amounts are net of tax of $39 million as of both September 30, 2026 and January 1, 2026.
[6] Amounts are net of tax of $39 million and $47 million as of September 30, 2025 and January 1, 2025, respectively.
[7] Amounts are net of tax of $50 million as of both September 30, 2026 and January 1, 2026.
[8] Amounts are net of tax of $60 million and $61 million as of September 30, 2025 and January 1, 2025, respectively.
[9] Details of amounts reclassified from accumulated other comprehensive loss relate only to pension and other postretirement benefits.
[10] Pension and other postretirement benefits amounts in parentheses indicate credits on our condensed consolidated statements of operations.
[11] Amounts are net of tax of $74 million as of both September 30, 2026 and January 1, 2026.
[12] Amounts are net of tax of $84 million and $85 million as of September 30, 2025 and January 1, 2025, respectively.
[13] Pension and other postretirement benefits amounts in parentheses indicate credits on our condensed consolidated statements of operations.