v2.4.1.9

Derivative Instruments (Effect Of Derivative Instruments Designated As Fair Value Hedges And Underlying Hedged Items On Consolidated Statements Of Operations) (Details) (Derivatives Designated as Fair Value Hedging Instruments, USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended
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Apr. 25, 2015 | Apr. 26, 2014 | Apr. 25, 2015 | Apr. 26, 2014
Hedge Underlying Gain Loss [Line Items] |  |  |  |
GAINS (LOSSES) ON DERIVATIVE INSTRUMENTS FOR THE THREE MONTHS ENDED | $ (17)us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings | $ 0 us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings | $ 102 us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings | $ (82)us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings
GAINS (LOSSES) RELATED TO HEDGED ITEMS FOR THE THREE MONTHS ENDED | 17 us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 | 0 us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 | (105)us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 | 81 us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1
Equity derivatives | Other income (loss), net |  |  |  |
Hedge Underlying Gain Loss [Line Items] |  |  |  |
GAINS (LOSSES) ON DERIVATIVE INSTRUMENTS FOR THE THREE MONTHS ENDED | (8)us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_EquityContractMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_FairValueHedgingMember / us-gaap_IncomeStatementLocationAxis = us-gaap_OtherIncomeMember | (8)us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_EquityContractMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_FairValueHedgingMember / us-gaap_IncomeStatementLocationAxis = us-gaap_OtherIncomeMember | (20)us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_EquityContractMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_FairValueHedgingMember / us-gaap_IncomeStatementLocationAxis = us-gaap_OtherIncomeMember | (55)us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_EquityContractMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_FairValueHedgingMember / us-gaap_IncomeStatementLocationAxis = us-gaap_OtherIncomeMember
GAINS (LOSSES) RELATED TO HEDGED ITEMS FOR THE THREE MONTHS ENDED | 8 us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_EquityContractMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_FairValueHedgingMember / us-gaap_IncomeStatementLocationAxis = us-gaap_OtherIncomeMember | 8 us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_EquityContractMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_FairValueHedgingMember / us-gaap_IncomeStatementLocationAxis = us-gaap_OtherIncomeMember | 20 us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_EquityContractMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_FairValueHedgingMember / us-gaap_IncomeStatementLocationAxis = us-gaap_OtherIncomeMember | 55 us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_EquityContractMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_FairValueHedgingMember / us-gaap_IncomeStatementLocationAxis = us-gaap_OtherIncomeMember
Interest rate derivatives | Interest expense |  |  |  |
Hedge Underlying Gain Loss [Line Items] |  |  |  |
GAINS (LOSSES) ON DERIVATIVE INSTRUMENTS FOR THE THREE MONTHS ENDED | (9)us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateContractMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_FairValueHedgingMember / us-gaap_IncomeStatementLocationAxis = us-gaap_InterestExpenseMember | 8 us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateContractMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_FairValueHedgingMember / us-gaap_IncomeStatementLocationAxis = us-gaap_InterestExpenseMember | 122 us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateContractMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_FairValueHedgingMember / us-gaap_IncomeStatementLocationAxis = us-gaap_InterestExpenseMember | (27)us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateContractMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_FairValueHedgingMember / us-gaap_IncomeStatementLocationAxis = us-gaap_InterestExpenseMember
GAINS (LOSSES) RELATED TO HEDGED ITEMS FOR THE THREE MONTHS ENDED | $ 9 us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateContractMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_FairValueHedgingMember / us-gaap_IncomeStatementLocationAxis = us-gaap_InterestExpenseMember | $ (8)us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateContractMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_FairValueHedgingMember / us-gaap_IncomeStatementLocationAxis = us-gaap_InterestExpenseMember | $ (125)us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateContractMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_FairValueHedgingMember / us-gaap_IncomeStatementLocationAxis = us-gaap_InterestExpenseMember | $ 26 us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateContractMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_FairValueHedgingMember / us-gaap_IncomeStatementLocationAxis = us-gaap_InterestExpenseMember

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- Details
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- Definition Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 + Details
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- Definition Total amount of gain (loss) derived from fair value hedges recognized in earnings in the 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 (a) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959 + Details
Name: | us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration