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Supplemental Balance Sheet Information (Details) (Inventories) (USD $) In Millions, unless otherwise specified	Jun. 28, 2014	Dec. 28, 2013
Raw materials	$ 34	$ 30
Work in process	688	727
Finished goods	238	127
Total inventories, net	$ 960	$ 884

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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