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v3.25.4

Restructuring and Other Charges - Schedule of Restructuring and Related Costs (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Restructuring Cost and Reserve [Line Items] |  |  |
Total cash charges | $ 123 |  |
Total non-cash charges | 109 |  |
Total restructuring and other charges | 232 | $ 0 | $ 0
Botlek closure |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total cash charges | 102 |  |
Total non-cash charges | 71 |  |
Total restructuring and other charges | 173 |  |
Fuzhou closure |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total cash charges | 21 |  |
Total non-cash charges | 38 |  |
Total restructuring and other charges | 59 |  |
Severance and employee benefits |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total cash charges | 37 |  |
Severance and employee benefits | Botlek closure |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total cash charges | 27 |  |
Severance and employee benefits | Fuzhou closure |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total cash charges | 10 |  |
Idling Activities |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total cash charges | 54 |  |
Idling Activities | Botlek closure |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total cash charges | 54 |  |
Idling Activities | Fuzhou closure |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total cash charges | 0 |  |
Asset retirement obligation adjustments |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total cash charges | 12 |  |
Asset retirement obligation adjustments | Botlek closure |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total cash charges | 11 |  |
Asset retirement obligation adjustments | Fuzhou closure |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total cash charges | 1 |  |
Environmental liability |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total cash charges | 8 |  |
Environmental liability | Botlek closure |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total cash charges | 0 |  |
Environmental liability | Fuzhou closure |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total cash charges | 8 |  |
Contract abandonment and other changes |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total cash charges | 12 |  |
Contract abandonment and other changes | Botlek closure |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total cash charges | 10 |  |
Contract abandonment and other changes | Fuzhou closure |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total cash charges | 2 |  |
Asset disposal |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total non-cash charges | 107 |  |
Asset disposal | Botlek closure |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total non-cash charges | 70 |  |
Asset disposal | Fuzhou closure |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total non-cash charges | 37 |  |
Other non-cash charges |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total non-cash charges | 2 |  |
Other non-cash charges | Botlek closure |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total non-cash charges | 1 |  |
Other non-cash charges | Fuzhou closure |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total non-cash charges | $ 1 |  |

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