v3.5.0.2

Investments (Additional Information) (Details) | 3 Months Ended |
--- | --- | ---
Oct. 29, 2016 USD ($) entity | Oct. 24, 2015 USD ($) | Jul. 30, 2016 USD ($)
Schedule of Investments [Line Items] |  |  |
Other than temporary impairment, credit losses recognized in earnings, credit losses on debt securities held | $ 0 |  |
Average daily balance of securities lending | $ 1,500,000,000 | $ 500,000,000 |
Fair value of securities received as collateral That can be resold or repledged, percentage | 102.00% | 102.00% |
Secured lending transactions outstanding | $ 0 |  | $ 0
Number of variable interest entities required to be consolidated | entity | 0 |  |
Investments in privately held companies | $ 991,000,000 |  | $ 1,003,000,000
Funding commitments | 189,000,000 |  |
Variable Interest Entity, Not Primary Beneficiary |  |  |
Schedule of Investments [Line Items] |  |  |
Investments in privately held companies | $ 609,000,000 |  |

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- Definition Fair value of securities received as collateral that can be resold or repledged percentage. + References No definition available. + Details
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- Definition Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (a component of shareholders' equity). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 8B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73527792&loc=SL6284393-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 8B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=73527792&loc=SL6284393-111563 + Details
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