Document and Entity Information - EUR (€)	12 Months Ended
	Dec. 31, 2020	Mar. 31, 2021
Cover [Abstract]
Entity Registrant Name	MYMETICS CORP
Entity Central Index Key	0000927761
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Shell Company	false
Entity Interactive Data Current	Yes
Entity Incorporation, State or Country Code	DE
Entity File Number	000-25132
Entity Public Float	€ 10,947,050
Entity Common Stock, Shares Outstanding		303,757,622
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2020