Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2026	May 15, 2026
Document and Entity Information
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2026
Document Transition Report	false
Entity File Number	001-42720
Entity Registrant Name	Yorkville Acquisition Corp.
Entity Incorporation, State or Country Code	E9
Entity Tax Identification Number	00-0000000
Entity Address, Address Line One	1012 Springfield Avenue
Entity Address, City or Town	Mountainside
Entity Address State Or Province	NJ
Entity Address, Postal Zip Code	07092
City Area Code	201
Local Phone Number	985-8300
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	true
Entity Central Index Key	0002064658
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2026
Document Fiscal Period Focus	Q1
Amendment Flag	false
Units, each consisting of one Class A ordinary share and one-third of one redeemable warrant
Document and Entity Information
Title of 12(b) Security	Units, each consisting of one Class A ordinary share and one-third of one redeemable warrant
Trading Symbol	MCGAU
Security Exchange Name	NASDAQ
Class A ordinary shares, par value $0.0001 per share
Document and Entity Information
Title of 12(b) Security	Class A ordinary shares, par value $0.0001 per share
Trading Symbol	MCGA
Security Exchange Name	NASDAQ
Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share
Document and Entity Information
Title of 12(b) Security	Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share
Trading Symbol	MCGAW
Security Exchange Name	NASDAQ
Class A Ordinary Shares
Document and Entity Information
Entity Common Stock, Shares Outstanding		17,831,250
Class B Ordinary Shares
Document and Entity Information
Entity Common Stock, Shares Outstanding		5,750,000