Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2020	Mar. 31, 2021
Cover [Abstract]
Entity Registrant Name	Trillion Energy International Inc.
Entity Central Index Key	0001648636
Document Type	10-K
Document Period End Date	Dec. 31, 2020
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	No
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business Flag	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float	$ 4,204,769
Entity Common Stock, Shares Outstanding		143,987,815
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2020