Amount outstanding forward foreign exchange contracts including certain specific contracts.

No definition available.

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- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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- 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

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-Publisher FASB
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-SubTopic 30
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- Definition

Face (par) amount of debt instrument at time of issuance.

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-Publisher FASB
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- References

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- Definition

Period remaining until the derivative contract matures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

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- Definition

Amount before tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

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Derivatives and Hedging Activities - Additional Information (Detail) $ in Thousands, £ in Millions	3 Months Ended
	Oct. 31, 2018 USD ($)	Oct. 31, 2017 USD ($)	Oct. 31, 2018 GBP (£)	Jul. 31, 2018 USD ($)
Summary
Derivative maturity	18 months
Derivative, Notional Amount	$ 23,619			$ 32,667
Summary of Cash Flow Hedge Activity
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months	(590)	$ 710
Cash Flow Hedge Gain (Loss) Reclassified from OCI to Earnings	(47)	24
Total Outstanding Forward Foreign Exchange Contracts	20,398
Summary of Derivative Instruments Not Designated as Hedging Instruments
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	$ (33)	$ (22)
Senior Unsecured Notes [Member]
Summary of Net Investment Hedge Activity
Net investment hedges to hedge portions of net investment \| £			£ 45