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Inventory
9 Months Ended
Jun. 24, 2016
Inventory Disclosure [Abstract]  
Inventory
Inventory
Inventories consisted of the following ($ in millions):
 
As of
 
June 24,
2016
 
September 25,
2015
Purchased materials and manufactured parts
$
181

 
$
165

Work in process
79

 
83

Finished goods
396

 
372

Inventories
$
656

 
$
620


Inventories are recorded at the lower of cost (primarily first-in, first-out) or market value.