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Contingencies and Commitments - Contingencies (Details) $ in Thousands, € in Millions |  |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 23, 2020 defendant | Jun. 06, 2019 USD ($) survivor | Dec. 31, 2022 USD ($) location | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 EUR (€) | Jun. 26, 2020 USD ($) entity | Sep. 30, 2018 USD ($) | Sep. 30, 2018 EUR (€) | Dec. 31, 2017 claim
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of cleanup locations (more than) | location |  |  | 30 |  |  |  |  |  |  |
Remediation reserve balance |  |  | $ 16,000 | $ 15,000 |  |  |  |  |  |
Remediation reserve balance, classified as a current liability |  |  | 6,000 |  |  |  |  |  |  |
Payments related to remediation expenses applied against the reserve |  |  | $ 4,000 | $ 2,000 |  |  |  |  |  |
Total combined assessments |  |  |  |  | $ 0 |  |  | $ 64,000 |  |
Number of defendants | defendant | 23 |  |  |  |  |  |  |  |  |
Number of plaintiffs | survivor |  | 247 |  |  |  |  |  |  |  |
Monetary damages sought |  | $ 75 |  |  |  |  |  |  |  |
Number of claims | claim |  |  |  |  |  |  |  |  |  | 2
Lehman Brothers International (Europe) (“LBIE”) Claims |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Number of entities | entity |  |  |  |  |  |  | 2 |  |  |
Estimate of claim |  |  |  |  |  |  | $ 64,000 |  |  |
Extension period |  |  | 3 years |  |  |  |  |  |  |
Amount reserved |  |  | $ 65,000 |  |  |  |  |  |  |
Spain |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Income taxes receivable |  |  |  |  | $ 53,000 | € 45 |  |  |  |
Tax agreement, indemnification of ultimate liability, percent |  |  |  |  | 33.66% | 33.66% |  |  |  |
Alcoa Corporation |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Tax agreement, indemnification of ultimate liability, percent |  |  |  |  | 49.00% | 49.00% |  |  |  |
Arconic Corporation |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Tax agreement, indemnification of ultimate liability, percent |  |  |  |  | 33.66% | 33.66% |  |  |  |
Euro |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Total combined assessments | € |  |  |  |  |  |  |  |  | € 54 |
Recurring Costs of Managing Hazardous Substances and Environmental Programs | Maximum |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of cost of goods sold |  |  | 1.00% |  |  |  |  |  |  |

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