Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2022	Mar. 30, 2023	Jun. 30, 2022
Document and Entity Information [Abstract]
Document Type	10-K
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2022
Entity File Number	001-41163
Entity Registrant Name	TERAWULF INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	87-1909475
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
Title of 12(b) Security	Common Stock, par value $0.001 per share
Trading Symbol	WULF
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 54,500,102.40
Entity Common Stock, Shares Outstanding		186,268,682
ICFR Auditor Attestation Flag	true
Entity Central Index Key	0001083301
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Amendment Flag	false
Auditor Name	RSM US LLP
Auditor Location	Minneapolis, Minnesota
Auditor Firm ID	49