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Inventories | 12 Months Ended
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Dec. 31, 2024
Inventory Disclosure [Abstract] |
Inventories | 7. Inventories
(Dollars in millions) |  | December 31, |
|  | 2024 |  |  | 2023 |  |  | 2022 |
Raw material |  | $ | 418 |  |  | $ | 457 |  |  | $ | 445 |
Work in progress |  |  | 295 |  |  |  | 347 |  |  |  | 350 |
Finished products |  |  | 290 |  |  |  | 296 |  |  |  | 265 |
Inventories gross |  |  | 1,003 |  |  |  | 1,100 |  |  |  | 1,060 |
Inventory reserve at beginning of year |  |  | (89 | ) |  |  | (91 | ) |  |  | (91 | )
Change in reserve, net |  |  | 1 |  |  |  | 3 |  |  |  | (6 | )
Translation difference |  |  | 5 |  |  |  | (0 | ) |  |  | 5 |
Inventory reserve at end of year |  |  | (82 | ) |  |  | (89 | ) |  |  | (91 | )
Total inventories, net of reserve |  | $ | 921 |  |  | $ | 1,012 |  |  | $ | 969 |

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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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