v3.26.1
Cover - USD ($)
 12 Months Ended
Dec. 31, 2025
Mar. 27, 2026
Jun. 30, 2025
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Document Financial Statement Error Correction [Flag] false    
Entity Interactive Data Current Yes    
ICFR Auditor Attestation Flag false    
Amendment Flag false    
Document Period End Date Dec. 31, 2025    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Documents Incorporated by Reference [Text Block] None.    
Entity Registrant Name Vine Hill Capital Investment Corp. II    
Entity Central Index Key 0002086264    
Entity File Number 001-43019    
Entity Tax Identification Number 98-1898282    
Entity Incorporation, State or Country Code E9    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Shell Company true    
Entity Filer Category Non-accelerated Filer    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
Entity Public Float     $ 0
Entity Small Business true    
Entity Address, Address Line One 500 E. Broward Blvd    
Entity Address, Address Line Two Suite 900    
Entity Address, City or Town Fort Lauderdale    
Entity Address, State or Province FL    
Entity Address, Postal Zip Code 33394    
City Area Code (954)    
Local Phone Number 848-2859    
Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-third of one redeemable warrant      
Document Information [Line Items]      
Title of 12(b) Security Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-third of one redeemable warrant    
Trading Symbol VHCPU    
Security Exchange Name NASDAQ    
Class A ordinary shares included as part of the units      
Document Information [Line Items]      
Title of 12(b) Security Class A ordinary shares included as part of the units    
Trading Symbol VHCP    
Security Exchange Name NASDAQ    
Redeemable warrants included as part of the units, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50      
Document Information [Line Items]      
Title of 12(b) Security Redeemable 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 VHCPW    
Security Exchange Name NASDAQ    
Class A Ordinary Shares      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   23,000,000  
Class B Ordinary Shares      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   7,666,667