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Inventories
9 Months Ended
Jun. 30, 2017
Inventory Disclosure [Abstract]  
Inventories
Inventories

Inventories consisted of the following (in millions):
 
June 30, 2017
 
September 30, 2016
 
 
 
 
Raw materials and supplies
$
800

 
$
852

Work-in-process
683

 
503

Finished goods
1,901

 
1,533

Inventories
$
3,384

 
$
2,888