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Inventories | 12 Months Ended
--- | ---
Dec. 31, 2022
Inventory Disclosure [Abstract] |
Inventories | Inventories Inventories consisted of the following:
| December 31
Millions of dollars | 2022 | 2021
Finished products and parts | $ | 1,859 | $ | 1,380
Raw materials and supplies | 953 | 890
Work in process | 111 | 91
Total inventories | $ | 2,923 | $ | 2,361
All amounts in the table above are reported net of obsolescence reserves of $104 million at December 31, 2022 and $114 million at December 31, 2021. During the year ended December 31, 2022, we recorded $70 million of impairment charges related to inventory. These charges were primarily attributable to our exit from Russia. See Note 2 to the consolidated financial statements for further discussion on impairments and other charges.

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI https://asc.fasb.org/topic&trid=2126998 + Details
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