| Cover | Aug. 31, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Aug. 31, 2022 |
| Current Fiscal Year End Date | --06-30 |
| Entity File Number | 000-56006 |
| Entity Registrant Name | GALAXY NEXT GENERATION, INC. |
| Entity Central Index Key | 0001127993 |
| Entity Tax Identification Number | 61-1363026 |
| Entity Incorporation, State or Country Code | NV |
| Entity Address, Address Line One | 285 Big A Road |
| Entity Address, City or Town | Toccoa |
| Entity Address, State or Province | GA |
| Entity Address, Postal Zip Code | 30577 |
| City Area Code | (706) |
| Local Phone Number | 391-5030 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
