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INVENTORIES (Tables)
3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Schedule of inventories
 March 31,December 31,
(Dollars in millions)20222021
Finished goods$1,048 $1,007 
Work in process311 273 
Raw materials and supplies677 589 
Total inventories at FIFO or average cost2,036 1,869 
Less: LIFO reserve365 365 
Total inventories$1,671 $1,504