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INVENTORIES
12 Months Ended
Dec. 31, 2022
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIES
 December 31,
(Dollars in millions)20222021
  
Finished goods$1,347 $1,007 
Work in process297 273 
Raw materials and supplies743 589 
Total inventories at FIFO or average cost2,387 1,869 
Less: LIFO reserve493 365 
Total inventories$1,894 $1,504 

Inventories valued on the LIFO method were approximately 50 percent of total inventories at both December 31, 2022 and 2021.