Cover - shares	9 Months Ended
	Sep. 30, 2021	Nov. 15, 2021
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Sep. 30, 2021
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2021
Current Fiscal Year End Date	--12-31
Entity File Number	000-55539
Entity Registrant Name	TRILLION ENERGY INTERNATIONAL INC
Entity Central Index Key	0001648636
Entity Tax Identification Number	47-4488552
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	Turan Gunes
Entity Address, Address Line Two	Bulvari, Park Oran Ofis Plaza, 180-y, Daire:54
Entity Address, Address Line Three	Kat:16
Entity Address, City or Town	Oran, Cankaya, Anakara
Entity Address, Country	TR
Entity Address, Postal Zip Code	06450
City Area Code	778
Local Phone Number	819-8503
Entity Current Reporting Status	No
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 Common Stock, Shares Outstanding		185,069,793