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v3.25.4

Restructuring and Other Charges - Narrative (Details) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 31, 2026 USD ($) employee T | Mar. 31, 2025 USD ($) employee T | Dec. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges |  |  | $ 232 | $ 0 | $ 0
Total non-cash charges |  |  | 109 |  |
Total cash charges |  |  | 123 |  |
Restructuring reserve |  |  | 28 | 0 |
Botlek closure |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Plant capacity | T |  | 90,000 |  |  |
Restructuring and related cost, expected number of positions eliminated | employee |  | 240 |  |  |
Restructuring and related cost, expected cost |  | $ 180 |  |  |
Restructuring and other charges |  |  | 173 |  |
Total non-cash charges |  |  | 71 |  |
Total cash charges |  |  | 102 |  |
Restructuring reserve |  |  | 16 | 0 |
Fuzhou closure |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and other charges |  |  | 59 |  |
Total non-cash charges |  |  | 38 |  |
Total cash charges |  |  | 21 |  |
Restructuring reserve |  |  | 12 | $ 0 |
Fuzhou closure | Subsequent Event |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Plant capacity | T | 46,000 |  |  |  |
Restructuring and related cost, expected number of positions eliminated | employee | 550 |  |  |  |
Accrued Liabilities |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring reserve |  |  | 23 |  |
Other Noncurrent Liabilities |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring reserve |  |  | 5 |  |
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] |  |  |  |  |
Restructuring and related cost, expected cost |  | $ 75 |  |  |
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 |  |
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 |  |
Minimum | Fuzhou closure | Subsequent Event |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and related cost, expected cost | $ 60 |  |  |  |
Minimum | Idling Activities | Fuzhou closure | Subsequent Event |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and related cost, expected cost | 35 |  |  |  |
Maximum | Fuzhou closure | Subsequent Event |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and related cost, expected cost | 80 |  |  |  |
Maximum | Idling Activities | Fuzhou closure | Subsequent Event |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and related cost, expected cost | $ 45 |  |  |  |

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