| Document And Entity Information | Oct. 18, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Oct. 18, 2023 |
| Entity Registrant Name | AVITA Medical, Inc. |
| Entity Central Index Key | 0001762303 |
| Entity Emerging Growth Company | true |
| Securities Act File Number | 001-39059 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 85-1021707 |
| Entity Address, Address Line One | 28159 Avenue Stanford |
| Entity Address, Address Line Two | Suite 220 |
| Entity Address, City or Town | Valencia |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 91355 |
| City Area Code | 661 |
| Local Phone Number | 367-9170 |
| Entity Information, Former Legal or Registered Name | N/A |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Ex Transition Period | false |
| Title of 12(b) Security | Common Stock, par value $0.0001 per share |
| Trading Symbol | RCEL |
| Security Exchange Name | NASDAQ |
