v2.4.0.8

Derivative Instruments (Effect Of Derivative Instruments Designated As Cash Flow Hedges And Net Investment Hedging Instruments On Other Comprehensive And Consolidated Statements Of Operations Summary) (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended
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Oct. 26, 2013 | Oct. 27, 2012
Cash Flow Hedging [Member] |  |
Derivative [Line Items] |  |
Gains (losses) recognized in OCI on derivatives (effective portion) | $ 38 | $ 66
Gains (losses) reclassified from AOCI into income (effective portion) | 9 | (5)
Cash Flow Hedging [Member] | Foreign Currency Derivatives-Cash Flow Hedges [Member] |  |
Derivative [Line Items] |  |
Gains (losses) recognized in OCI on derivatives (effective portion) | 38 | 66
Cash Flow Hedging [Member] | Foreign Currency Derivatives-Cash Flow Hedges [Member] | Operating Expenses [Member] |  |
Derivative [Line Items] |  |
Gains (losses) reclassified from AOCI into income (effective portion) | 7 | (4)
Cash Flow Hedging [Member] | Foreign Currency Derivatives-Cash Flow Hedges [Member] | Cost Of Sales-Service [Member] |  |
Derivative [Line Items] |  |
Gains (losses) reclassified from AOCI into income (effective portion) | 2 | (1)
Net Investment Hedging [Member] |  |
Derivative [Line Items] |  |
Gains (losses) recognized in OCI on derivatives (effective portion) | (19) | (24)
Net Investment Hedging [Member] | Other income (loss), net [Member] |  |
Derivative [Line Items] |  |
Gains (losses) reclassified from AOCI into income (effective portion) | $ 0 | $ 0

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- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624177-113959 + Details
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- Definition The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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- Details
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