| Document and Entity Information | Oct. 06, 2022 |
| Document and Entity Information [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Oct. 06, 2022 |
| Entity File Number | 001-41163 |
| Entity Registrant Name | TERAWULF INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 85-1909475 |
| Entity Address State Or Province | MD |
| Entity Address, Address Line One | 9 Federal Street |
| Entity Address, City or Town | Easton |
| Entity Address, Postal Zip Code | 21601 |
| City Area Code | 410 |
| Local Phone Number | 770-9500 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common stock, $0.001 par value per share |
| Trading Symbol | WULF |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001083301 |
| Amendment Flag | false |
