Cash and Investments, Trading Assets (Detail) - Debt Securities [Member] - USD ($) $ in Millions |
12 Months Ended | ||
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Dec. 26, 2015 |
Dec. 27, 2014 |
Dec. 28, 2013 |
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| Schedule Of Trading Securities And Other Trading Assets [Line Items] | |||
| Trading Securities, Change in Unrealized Holding Gain (Loss) | $ (152) | $ (530) | $ (70) |
| Net gains (losses) on derivatives related to trading securities | $ 137 | $ 525 | $ 86 |
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- Definition Net gains (losses) on derivatives related to trading securities No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of unrealized holding gain (loss) recognized in the income statement for investments in debt and equity securities and other forms of securities that provide ownership interests classified as trading. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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