Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2020	Nov. 11, 2020
Document Information Line Items
Entity Registrant Name	MITESCO, INC.
Document Type	10-Q
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		136,209,054
Amendment Flag	false
Entity Central Index Key	0000802257
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Document Period End Date	Sep. 30, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Shell Company	false
Entity Ex Transition Period	true
Entity Interactive Data Current	Yes