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INVENTORIES
6 Months Ended
Jun. 30, 2022
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIES
 June 30,December 31,
(Dollars in millions)20222021
Finished goods$1,241 $1,007 
Work in process283 273 
Raw materials and supplies692 589 
Total inventories at FIFO or average cost2,216 1,869 
Less: LIFO reserve390 365 
Total inventories$1,826 $1,504 
Inventories valued on the last-in, first-out ("LIFO") method were approximately 50 percent of total inventories at both June 30, 2022 and December 31, 2021.