| Document and Entity Information | Sep. 30, 2022 |
| Document And Entity Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Sep. 30, 2022 |
| Entity Registrant Name | Atlassian Corporation Plc |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-37651 |
| Entity Tax Identification Number | 88-3940934 |
| Entity Address, Address Line One | 350 Bush Street |
| Entity Address, Address Line Two | Floor 13 |
| Entity Address, City or Town | San Francisco |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94104 |
| City Area Code | 415 |
| Local Phone Number | 701-1110 |
| Entity Information, Former Legal or Registered Name | Atlassian Corporation Plc |
| 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 | TEAM |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Current Fiscal Year End Date | --06-30 |
| Entity Central Index Key | 0001650372 |
| Amendment Flag | false |
| Former Address [Member] | |
| Document And Entity Information [Line Items] | |
| Entity Address, Address Line One | Exchange House |
| Entity Address, Address Line Two | Primrose Street, London |
| Entity Address, Address Line Three | c/o Herbert Smith Freehills LLP |
| Entity Address, City or Town | London EC2A 2EG United Kingdom c/o Herbert Smith Freehills LLP |
| Entity Address, Country | GB |
| Entity Address, Postal Zip Code | EC2A 2EG |
