Revenues by Product - Summary of Total Revenues (Detail) $ in Thousands	3 Months Ended
	Apr. 30, 2021 USD ($) industry	Apr. 30, 2020 USD ($)
Disaggregation of Revenue [Line Items]
Number of product areas | industry	2
Total revenues	$ 433,573	$ 337,106
Veeva Commercial Cloud
Disaggregation of Revenue [Line Items]
Total revenues	168,458	142,577
Veeva Vault
Disaggregation of Revenue [Line Items]
Total revenues	172,661	127,658
Total subscription services
Disaggregation of Revenue [Line Items]
Total revenues	341,119	270,235
Veeva Commercial Cloud
Disaggregation of Revenue [Line Items]
Total revenues	36,026	27,376
Veeva Vault
Disaggregation of Revenue [Line Items]
Total revenues	56,428	39,495
Total professional services
Disaggregation of Revenue [Line Items]
Total revenues	$ 92,454	$ 66,871