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INVENTORIES (Tables)
6 Months Ended
Jun. 30, 2023
Inventory Disclosure [Abstract]  
Schedule of inventories
 June 30,December 31,
(Dollars in millions)20232022
Finished goods$1,406 $1,347 
Work in process301 297 
Raw materials and supplies721 743 
Total inventories at FIFO or average cost2,428 2,387 
Less: LIFO reserve468 493 
Total inventories$1,960 $1,894