Cover - shares	9 Months Ended
	Sep. 30, 2025	Nov. 19, 2025
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Entity Interactive Data Current	Yes
Amendment Flag	false
Document Period End Date	Sep. 30, 2025
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	Q3
Entity Information [Line Items]
Entity Registrant Name	VENDOME ACQUISITION CORPORATION I
Entity Central Index Key	0002055879
Entity File Number	001-42722
Entity Tax Identification Number	00-0000000
Entity Incorporation, State or Country Code	E9
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	No
Entity Shell Company	true
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Contact Personnel [Line Items]
Entity Address, Address Line One	1090 Center Drive
Entity Address, City or Town	Park City
Entity Address, State or Province	UT
Entity Address, Postal Zip Code	84098
Entity Phone Fax Numbers [Line Items]
City Area Code	645
Local Phone Number	201-8586
Units [Member]
Entity Listings [Line Items]
Title of 12(b) Security	Units, each consisting of one Class A ordinary share, par value $0.0001 per share, and one-half of one redeemable warrant
Trading Symbol	VNMEU
Security Exchange Name	NASDAQ
Class A Ordinary Shares [Member]
Entity Listings [Line Items]
Title of 12(b) Security	Class A ordinary shares, par value $0.0001 per share, included as part of the units
Trading Symbol	VNME
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		20,000,000
Warrants [Member]
Entity Listings [Line Items]
Title of 12(b) Security	Warrants included as part of the units, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50
Trading Symbol	VNMEW
Security Exchange Name	NASDAQ
Class B Ordinary Shares [Member]
Entity Listings [Line Items]
Entity Common Stock, Shares Outstanding		5,000,000