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Commitments and Contingencies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended 0 Months Ended
Jan. 31, 2015
Jan. 31, 2014
Jan. 31, 2013
Mar. 03, 2014
Long Term Purchase Commitment [Line Items]        
Rent expense $ 2.9us-gaap_LeaseAndRentalExpense $ 2.5us-gaap_LeaseAndRentalExpense $ 1.5us-gaap_LeaseAndRentalExpense  
Value-Added Reseller Agreement [Member]        
Long Term Purchase Commitment [Line Items]        
Agreement extension period       10 years
Agreement maturity date Sep. 01, 2025      
Prior to September 1, 2015 [Member] | Value-Added Reseller Agreement [Member]        
Long Term Purchase Commitment [Line Items]        
Minimum fee commitment obligation $ 462.8us-gaap_PurchaseObligation
/ us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis
= veev_ResellerAgreementsMember
/ veev_PaymentDateAxis
= veev_PriorToSeptemberOneTwoThousandAndTwentyFiveMember