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INVENTORIES
12 Months Ended
Dec. 31, 2022
Inventory Disclosure [Abstract]  
INVENTORIES
NOTE 3 - INVENTORIES

Finished goods primarily represents oil, which is carried at the lower of weighted-average cost or net realizable value, and caustic soda and chlorine, which are valued under the LIFO method. Inventories consisted of the following as of December 31:

millions20222021
Raw materials$120 $96 
Materials and supplies913 783 
Commodity inventory and finished goods1,147 1,066 
2,180 1,945 
Revaluation to LIFO(121)(99)
Total$2,059 $1,846