Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2024	May 15, 2024
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2024
Document Transition Report	false
Entity File Number	000-55586
Entity Registrant Name	Truleum, Inc.
Entity Incorporation, State or Country Code	CO
Entity Tax Identification Number	90-1020566
Entity Address, Address Line One	14143 Denver West Parkway, Suite 100
Entity Address, City or Town	Golden
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80401
City Area Code	800
Local Phone Number	819-0604
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 Common Stock, Shares Outstanding (in shares)		21,794,178
Entity Central Index Key	0000855787
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q1
Amendment Flag	false