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Supplemental Balance Sheet Information (Details) (Inventories) (USD $)
In Millions, unless otherwise specified |
Dec. 27, 2014
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Dec. 28, 2013
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|---|---|---|
| Raw materials | $ 40us-gaap_InventoryRawMaterials | $ 30us-gaap_InventoryRawMaterials |
| Work in process | 431us-gaap_InventoryWorkInProcess | 727us-gaap_InventoryWorkInProcess |
| Finished goods | 214us-gaap_InventoryFinishedGoods | 127us-gaap_InventoryFinishedGoods |
| Inventories, net | $ 685us-gaap_InventoryNet | $ 884us-gaap_InventoryNet |
| X | ||||||||||
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- Definition
Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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