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