The minimum amount the entity agreed to spend under the long-term purchase commitment.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Describes the terms of a significant arrangement with a supplier (excluding an unconditional purchase obligation) to acquire goods or services over a period of time beyond one year or the normal operating cycle, if longer, which may include identification of the goods or services to be purchased, pricing, effects on pricing of failing to reach minimum quantities required to be purchased, cancellation rights, and termination provisions.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

States the date the complaint was formally filed in a court of law, in arbitration or mediation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

+ References

No definition available.

+ Details

Name:	us-gaap_PurchaseObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Agreement maturity date.

+ References

No definition available.

+ Details

Name:	veev_AgreementMaturityDate
Namespace Prefix:	veev_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Amended loss contingency lawsuit filing date.

+ References

No definition available.

+ Details

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Namespace Prefix:	veev_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Loss contingency court orders appealed date.

+ References

No definition available.

+ Details

Name:	veev_LossContingencyCourtOrdersAppealedDate
Namespace Prefix:	veev_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Motion filled date for private arbitration by defendant.

+ References

No definition available.

+ Details

Name:	veev_MotionFilledDateForPrivateArbitrationByDefendant
Namespace Prefix:	veev_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Motion to dismiss appeal filed date.

+ References

No definition available.

+ Details

Name:	veev_MotionToDismissAppealFiledDate
Namespace Prefix:	veev_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Motion to dismiss complaint filed date.

+ References

No definition available.

+ Details

Name:	veev_MotionToDismissComplaintFiledDate
Namespace Prefix:	veev_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Motion to dismiss counterclaims filed date.

+ References

No definition available.

+ Details

Name:	veev_MotionToDismissCounterclaimsFiledDate
Namespace Prefix:	veev_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of former employees.

+ References

No definition available.

+ Details

Name:	veev_NumberOfFormerEmployees
Namespace Prefix:	veev_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Plaintiff voluntarily dismissed defendants from case, description.

+ References

No definition available.

+ Details

Name:	veev_PlaintiffVoluntarilyDismissedDefendantsFromCaseDescription
Namespace Prefix:	veev_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementScenarioAxis=veev_SeptemberOneTwoThousandAndTwentyFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementScenarioAxis=veev_MarchOneTwoThousandAndFourteenToSeptemberOneTwoThousandAndTwentyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LitigationCaseAxis=veev_IQVIALitigationMatterMember
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Balance Type:
Period Type:

- Details

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- Details

Name:	us-gaap_LitigationCaseAxis=veev_MedidataLitigationMatterMember
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Commitments and Contingencies - Additional Information (Detail)										3 Months Ended
	Jan. 26, 2018	Aug. 30, 2017	Aug. 24, 2017	Jun. 05, 2017	Mar. 13, 2017 USD ($)	Mar. 03, 2017	Mar. 01, 2017	Feb. 21, 2017	Jan. 26, 2017 Employee	Apr. 30, 2018 USD ($)
Value-Added Reseller Agreement [Member]
Long Term Purchase Commitment [Line Items]
Minimum fee commitment obligation										$ 268,700,000
Purchase commitment, description										The agreement, as amended, requires that we meet minimum order commitments of $500 million over the term of the agreement, which ends on September 1, 2025, including “true-up” payments if the orders we place with salesforce.com have not equaled or exceeded the following aggregate amounts within the timeframes indicated: (i) $250 million for the period from March 1, 2014 to September 1, 2020 and (ii) the full amount of $500 million by September 1, 2025.
Minimum order commitment										$ 500,000,000
Agreement maturity date										Sep. 01, 2025
Value-Added Reseller Agreement [Member] \| September 1, 2025 [Member]
Long Term Purchase Commitment [Line Items]
Minimum order commitment										$ 500,000,000
Value-Added Reseller Agreement [Member] \| March 1, 2014 to September 1, 2020 [Member]
Long Term Purchase Commitment [Line Items]
Minimum order commitment										$ 250,000,000
IQVIA Litigation Matter [Member]
Long Term Purchase Commitment [Line Items]
Litigation filed date										January 10, 2017
Motion to dismiss counterclaims filed date				Jun. 05, 2017
IQVIA Litigation Matter [Member] \| Minimum [Member]
Long Term Purchase Commitment [Line Items]
Monetary damages					$ 200,000,000
Medidata Litigation Matter [Member]
Long Term Purchase Commitment [Line Items]
Litigation filed date									January 26, 2017
Number of former employees \| Employee									5
First amended litigation filed date								Feb. 21, 2017
Defendants dismissed from case							Individual Defendants
Motion filled date for private arbitration						Mar. 03, 2017
Motion to dismiss appeal filed date	Jan. 26, 2018
Motion filled date to dismiss complaint		Aug. 30, 2017
Medidata Litigation Matter [Member] \| Second Circuit Appealed with U.S Court of Appeals [Member]
Long Term Purchase Commitment [Line Items]
Appealed date to U.S. Court of Appeals for the Second Circuit on court's order			Aug. 24, 2017