| Cover | Jan. 28, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jan. 28, 2022 |
| Entity File Number | 000-56199 |
| Entity Registrant Name | MEDMEN ENTERPRISES INC |
| Entity Central Index Key | 0001776932 |
| Entity Tax Identification Number | 98-1431779 |
| Entity Incorporation, State or Country Code | A1 |
| Entity Address, Address Line One | 10115 Jefferson Boulevard |
| Entity Address, City or Town | Culver City |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 90232 |
| City Area Code | (424) |
| Local Phone Number | 330-2082 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
