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Inventory (Details) (USD $) In Millions, unless otherwise specified	Mar. 30, 2012	Sep. 30, 2011
Inventories consisted of the following:
Purchased materials and manufactured parts	$ 532	$ 476
Work in process	225	211
Finished goods	786	656
Inventories	$ 1,543	$ 1,343

Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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