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Income Taxes (Additional Information) (Details) (USD $)
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9 Months Ended |
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Apr. 25, 2015
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| Income Tax Disclosure [Abstract] | |
| R&D tax benefit related to FY 2014 | $ 91,000,000us-gaap_IncomeTaxReconciliationTaxCreditsResearch |
| Unrecognized Tax Benefits | 2,000,000,000us-gaap_UnrecognizedTaxBenefits |
| Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 1,800,000,000us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate |
| Unrecognized tax benefit that could be reduced in next 12 months | $ 900,000,000us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit |
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- Details
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- Definition
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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