Cover Page Cover Page
| Cover Page Cover Page | Aug. 27, 2020 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Aug. 27, 2020 |
| Entity Registrant Name | Veeva Systems Inc. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-36121 |
| Entity Tax Identification Number | 20-8235463 |
| Entity Address, Address Line One | 4280 Hacienda Drive |
| Entity Address, City or Town | Pleasanton |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94588 |
| City Area Code | 925 |
| Local Phone Number | 452-6500 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Class A Common Stock,par value $0.00001 per share |
| Trading Symbol | VEEV |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Amendment Flag | false |
| Entity Central Index Key | 0001393052 |