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Inventories
9 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consisted of the following (in millions):
June 30, 2021September 30, 2020
Raw materials and supplies$754 $629 
Work-in-process162 142 
Finished goods1,148 1,002 
Inventories$2,064 $1,773