Supplementary Information [Line Items]

No definition available.

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=73531572&loc=d3e1043-128460

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
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-Publisher FASB
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- Definition

The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The number of businesses acquired by the entity during the period.

+ References

No definition available.

+ Details

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- Details

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- Details

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Acquisitions and Divestitures (Additional Information Acquisitions) (Details) $ in Millions		6 Months Ended
	Jan. 24, 2017 USD ($)	Jan. 28, 2017 USD ($) acquisition	Jan. 23, 2016 USD ($)
Supplementary Information [Line Items]
Number of business combinations \| acquisition		3
Acquired cash and cash equivalents		$ 1
Purchase Consideration		258
AppDynamics, Inc
Supplementary Information [Line Items]
Purchase Consideration	$ 3,700
General and administrative
Supplementary Information [Line Items]
Acquisition related costs		$ 3	$ 14