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INVENTORIES
12 Months Ended
Dec. 31, 2023
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIES
 December 31,
(Dollars in millions)20232022
  
Finished goods$1,193 $1,347 
Work in process293 297 
Raw materials and supplies618 743 
Total inventories at FIFO or average cost2,104 2,387 
Less: LIFO reserve421 493 
Total inventories$1,683 $1,894 

Inventories valued on the LIFO method were approximately 50 percent of total inventories at both December 31, 2023 and 2022.