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

No definition available.

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

Name:	us-gaap_LongTermPurchaseCommitmentLineItems
Namespace Prefix:	us-gaap_
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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14557-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349

+ Details

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

- Definition

Number of pending claims pertaining to a loss contingency.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349

+ Details

Name:	us-gaap_LossContingencyPendingClaimsNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- 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

First minimum order commitment achieved amount.

+ References

No definition available.

+ Details

Name:	veev_FirstMinimumOrderCommitmentAchievedAmount
Namespace Prefix:	veev_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

- Details

Name:	us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=veev_ResellerAgreementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=veev_IQVIALitigationMatterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=veev_MedidataLitigationMatterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	veev_MinimumOrderCommitmentTimeFrameAxis=veev_TimeFrameOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	veev_MinimumOrderCommitmentTimeFrameAxis=veev_TimeFrameTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Commitments and Contingencies - Additional Information (Detail)			12 Months Ended
	Mar. 13, 2017 USD ($)	Jan. 26, 2017 Employee	Jan. 31, 2020 USD ($)	Oct. 31, 2019 Motion
Value-Added Reseller Agreement
Long-term Purchase Commitment [Line Items]
Minimum fee commitment obligation			$ 140,000,000.0
Minimum order commitment			500,000,000
Amount of first minimum order commitment met			250,000,000
IQVIA Litigation Matter \| Minimum
Long-term Purchase Commitment [Line Items]
Monetary damages	$ 200,000,000
Medidata Litigation Matter
Long-term Purchase Commitment [Line Items]
Number of motions pending \| Motion				0
Number of former employees \| Employee		5
Present to September 1st, 2025 \| Value-Added Reseller Agreement
Long-term Purchase Commitment [Line Items]
Minimum order commitment			500,000,000
March 1st 2014 to September 1st, 2020 \| Value-Added Reseller Agreement
Long-term Purchase Commitment [Line Items]
Minimum order commitment			$ 250,000,000