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Indefinite Suspension of Operations (Tables) | 12 Months Ended
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Dec. 31, 2024
Restructuring and Related Activities [Abstract] |
Schedule of Suspension Reserve by Type of Cost | The following table presents the accrued liability balance activity related to the indefinite suspension during the year ended December 31, 2024:
| Mothballing Costs |  | Severance and Other Employee Costs |  |  |  | Total
Balance at December 31, 2023 | $ | — |  |  | $ | — |  |  |  |  | $ | — |
Charges incurred(a) | 5,710 |  |  | 5,403 |  |  |  |  | 11,113 |
Payments | (4,733) |  |  | (393) |  |  |  |  | (5,126) |
Balance at December 31, 2024 | $ | 977 |  |  | $ | 5,010 |  |  |  |  | $ | 5,987 |
(a)Excludes non-cash items. See below.
Schedule of Suspension Activity Charges | The following table presents total indefinite suspension charges incurred by cost type:
|  |  | Year Ended December 31, 2024
Mothballing costs |  |  | $ | 5,710 |
Severance and other employee costs |  |  | 6,133 |
Loss on asset disposal |  |  | 975 |
Other suspension costs |  |  | 3,812 |
Indefinite suspension charges(a) |  |  | $ | 16,630 |
(a)Includes non-cash charges of (i) a $2 million write-off of deferred shutdown costs, (ii) $2 million for potential contract penalties, (iii) a loss on asset disposal of $1 million and (iv) a $1 million loss on pension curtailment charges associated with early retirements driven by the indefinite suspension of operations. See Note 18—Employee Benefit Plans for further information regarding the loss on pension curtailment charges.

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- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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- Definition Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.b.2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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