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Indefinite Suspension of Operations (Tables)

12 Months Ended

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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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.

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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.

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