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INVENTORIES (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Raw materials $ 96 $ 70
Materials and supplies 783 848
Commodity inventory and finished goods 1,066 1,009
Inventories 1,945 1,927
Revaluation to LIFO (99) (29)
Total $ 1,846 $ 1,898