Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2024	Aug. 07, 2024
Document and Entity Information [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2024
Document Transition Report	false
Entity File Number	001-40021
Entity Registrant Name	AEON Biopharma, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	85-3940478
Entity Address, Address Line One	5 Park Plaza
Entity Address, Adress Line Two	Suite 1750
Entity Address, City or Town	Irvine
Entity Address State Or Province	CA
Entity Address, Postal Zip Code	92614
City Area Code	949
Local Phone Number	354-6499
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Title of 12(b) Security	Class A common stock, $0.0001 par value per share
Trading Symbol	AEON
Security Exchange Name	NYSEAMER
Entity Common Stock, Shares Outstanding		39,522,238
Entity Central Index Key	0001837607
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q2