XML 28 R19.htm IDEA: XBRL DOCUMENT
v3.25.1

Inventories | 3 Months Ended
--- | ---
Mar. 31, 2025
Inventory Disclosure [Abstract] |
Inventories | Inventories
| March 31, 2025 |  | December 31, 2024
Finished goods | $ | 467 |  |  | $ | 458 |
Work-in-process | 948 |  |  | 903 |
Purchased raw materials | 417 |  |  | 408 |
Operating supplies | 70 |  |  | 71 |
Total inventories | $ | 1,902 |  |  | $ | 1,840 |
As of March 31, 2025 and December 31, 2024, the portion of inventories valued on a last-in, first-out (“LIFO”) basis was $566 and $544, respectively. If valued on an average-cost basis, total inventories would have been $282 and $280 higher as of March 31, 2025 and December 31, 2024, respectively.

X
- References No definition available. + Details
Name: | us-gaap_InventoryDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_InventoryDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration