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Inventories (Tables)
3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Inventories
Inventories consisted of:
($ in millions)March 31, 2022December 31, 2021
Finished goods$1,772 $1,747 
Raw materials and work in process6,365 6,220 
Supplies209 196 
Total (approximates current cost)8,346 8,163 
Decrease to LIFO cost(77)(16)
 $8,269 $8,147 
Recognized as:
Inventories$5,774 $5,953 
Other assets2,495 2,194