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Inventory
6 Months Ended
Mar. 28, 2014
Inventory Disclosure [Abstract]  
Inventory
Inventory
Inventories consisted of the following ($ in millions):
 
As of
 
March 28,
2014
 
September 27,
2013
Purchased materials and manufactured parts
$
166

 
$
157

Work in process
85

 
93

Finished goods
410

 
397

Inventories
$
661

 
$
647


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