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Inventory | 12 Months Ended
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Dec. 31, 2023
Inventory Disclosure [Abstract] |
Inventory | (3) Inventory Inventories consisted of the following:
| December 31,
(in millions) | 2023 |  | 2022
Finished goods | $ | 260 |  |  | $ | 297 |
Raw materials | 226 |  |  | 206 |
In-process inventories | 21 |  |  | 35 |
Parts, supplies and other | 97 |  |  | 86 |
Total inventories | $ | 604 |  |  | $ | 624 |
At December 31, 2023, the renewables business had inventories with carrying amounts exceeding their net realizable value, which is estimated using indicative market pricing available at the time the estimate was made. As a result, we recognized a loss of $4 million in Cost of materials and other in the Company’s Consolidated Statements of Operations for the year ended December 31, 2023 to reflect the net realizable value of such inventories. No adjustment was necessary for the years ended December 31, 2022 and 2021.

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 330 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//330/tableOfContent + Details
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