Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Mar. 28, 2024	Jun. 30, 2023
Document and Entity Information
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2023
Document Transition Report	false
Entity File Number	001-36193
Entity Registrant Name	TREVENA INC
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	26-1469215
Entity Address, Address Line One	955 Chesterbrook Blvd.
Entity Address, Address Line Two	Suite 110
Entity Address, City or Town	Chesterbrook
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	19087
City Area Code	610
Local Phone Number	354-8840
Title of 12(b) Security	Common Stock, par value $0.001 per share
Trading Symbol	TRVN
Security Exchange Name	NASDAQ
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 Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Public Float			$ 12.0
Entity Common Stock, Shares Outstanding		18,321,010
ICFR Auditor Attestation Flag	false
Document Financial Statement Error Correction [Flag]	false
Auditor Name	Ernst & Young LLP
Auditor Firm ID	42
Auditor Location	Philadelphia, Pennsylvania
Entity Central Index Key	0001429560
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Amendment Flag	false