v2.4.1.9

Commitments and Contingencies (Schedule of Other Commitments) (Details) (Acquisition, USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Apr. 25, 2015	Apr. 26, 2014	Apr. 25, 2015	Apr. 26, 2014
Acquisition
Contingency [Line Items]
Compensation expense related to acquisitions	$ 72us-gaap_SalariesAndWages / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember	$ 95us-gaap_SalariesAndWages / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember	$ 264us-gaap_SalariesAndWages / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember	$ 505us-gaap_SalariesAndWages / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember

X

- Definition

Expenditures for salaries other than officers. Does not include allocated share-based compensation, pension and post-retirement benefit expense or other labor-related non-salary expense. For commercial and industrial companies, excludes any direct and overhead labor that is included in cost of goods sold.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.4)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

Name:	us-gaap_SalariesAndWages
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_SiteContingencyLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration