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INVENTORIES
3 Months Ended
Dec. 28, 2019
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIES
Inventories are stated at the lower of cost or net realizable value. Cost of inventories is generally determined by the average cost and the first-in, first-out (FIFO) methods and includes material, labor and overhead related to the manufacturing process.
Inventories consist of the following (in millions):
 
December 28, 2019
 
September 30, 2019
Raw materials and purchased component parts
$
858

 
$
805

Work-in-progress
373

 
360

Finished goods
197

 
192

Total
1,428

 
1,357

Reserves for excess and obsolete inventory
(134
)
 
(124
)
Inventories - Net
$
1,294

 
$
1,233