v3.19.1

Derivative Instruments (Additional Information) (Details) $ in Millions | 9 Months Ended |
--- | --- | ---
Apr. 27, 2019 USD ($) derivative | Jul. 28, 2018 derivative
Derivative [Line Items] |  |
Net derivative gains or losses to be reclassified from AOCI into earnings in next twelve months | $ | $ 3 |
Fixed Income Securities |  |
Derivative [Line Items] |  |
Number of interest rate derivatives held (derivative) | derivative | 0 | 0
Derivatives designated as cash flow hedging instruments: |  |
Derivative [Line Items] |  |
Foreign currency cash flow hedges maturity period, maximum, months | 24 months |

X
- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=112277219&loc=d3e80748-113994 + Details
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Period Type: | duration

X
- Definition Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Number of interest rate derivative instruments held by the entity at the reporting date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 + Details
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- Details
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- Details
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