Supplemental Balance Sheet Information (Details) (Inventories) (USD $) In Millions, unless otherwise specified	Dec. 28, 2013	Dec. 29, 2012
Raw materials	$ 30	$ 29
Work in process	727	357
Finished goods	127	176
Inventories, net	$ 884	$ 562

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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