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Inventories (Tables)
 3 Months Ended
Mar. 31, 2022
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):
March 31, 2022December 31, 2021
Logs$86 $59 
Other raw materials69 59 
Semi-finished inventory38 38 
Finished products189 168 
Total$382 $323