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Inventories (Tables)
 9 Months Ended
Sep. 30, 2023
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block] 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