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Inventories
3 Months Ended
Dec. 31, 2019
Inventory Disclosure [Abstract]  
Inventories
Inventories

Inventories consisted of the following (in millions):
 
December 31, 2019
 
September 30, 2019
 
 
 
 
Raw materials and supplies
$
637

 
$
588

Work-in-process
167

 
176

Finished goods
1,149

 
1,050

Inventories
$
1,953

 
$
1,814