v3.5.0.2

Investments (Realized Net Gains (Losses) Related To Available-For-Sale Investments) (Details) - USD ($) $ in Millions | 3 Months Ended
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Oct. 29, 2016 | Oct. 24, 2015
Schedule of Investments [Line Items] |  |
Total | $ 15 | $ (1)
Net gains/(losses) on investments in publicly traded equity securities |  |
Schedule of Investments [Line Items] |  |
Total | 5 | (9)
Net gains/(losses) on investments in fixed income securities |  |
Schedule of Investments [Line Items] |  |
Total | $ 10 | $ 8

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- Definition This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27357-111563 + Details
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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. + References No definition available. + Details
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