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Related Parties - Schedule of Accrued Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Related Party Transaction [Line Items]
Amount due to AMIC for slag purchases	$ 243	$ 230
Slagger | Purchases of Feedstock Material | Related Party | Advanced Metal Industries Cluster Company Limited
Related Party Transaction [Line Items]
Amount due to AMIC for slag purchases	$ 5	$ 0

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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