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Inventories (Tables)
6 Months Ended
Mar. 31, 2024
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories consisted of the following:

(in millions)March 31, 2024September 30, 2023
Raw materials and supplies$601 $644 
Work-in-process32 34 
Finished goods158 163 
Inventories$791 $841