| Document and Entity Information | Aug. 01, 2019 |
| Cover [Abstract] | |
| Entity Registrant Name | Tableau Software Inc |
| Amendment Flag | false |
| Entity Central Index Key | 0001303652 |
| Document Type | 8-K |
| Document Period End Date | Aug. 1, 2019 |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-35925 |
| Entity Tax Identification Number | 47-0945740 |
| Entity Address, Address Line One | 1621 North 34th Street |
| Entity Address, City or Town | Seattle |
| Entity Address, State or Province | WA |
| Entity Address, Postal Zip Code | 98103 |
| City Area Code | (206) |
| Local Phone Number | 633-3400 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Class A Common Stock, par value $0.0001 |
| Trading Symbol | DATA |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
