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Inventories (Tables)
6 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories consisted of:
($ in millions)June 30, 2021December 31, 2020
Finished goods$1,778 $1,610 
Raw materials and work in process5,954 5,949 
Supplies175 146 
Total (approximates current cost)7,907 7,705 
Decrease to LIFO cost(81)
 $7,911 $7,624 
Recognized as:
Inventories$5,499 $5,554 
Other assets2,412 2,070