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Inventories
 9 Months Ended
Sep. 30, 2023
Inventory Disclosure [Abstract]  
Inventories INVENTORIES
Inventories are valued at the lower of cost or net realizable value. Inventory cost includes materials, labor, and operating overhead. The major types of inventories (work in process is not material and is included in Semi-finished inventory) are as follows (dollar amounts in millions):
September 30, 2023December 31, 2022
Logs$75 $59 
Other raw materials48 72 
Semi-finished inventories33 25 
Finished products222 180 
Total$379 $337