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INVENTORIES (Tables)
6 Months Ended
Jun. 30, 2023
Inventory Disclosure [Abstract]  
Schedule of Inventories As of June 30, 2023 and December 31, 2022, inventories consisted of the following:
millionsJune 30, 2023December 31, 2022
Raw materials$120 $120 
Materials and supplies850 913 
Commodity inventory and finished goods1,172 1,147 
2,142 2,180 
Revaluation to LIFO(121)(121)
Total
$2,021 $2,059