v3.26.1
Cover - USD ($)
 12 Months Ended
Dec. 31, 2025
Feb. 28, 2026
Jun. 30, 2025
Document Information [Line Items]      
Document Type 10-K/A    
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    
Entity Information [Line Items]      
Entity Registrant Name VanEck Bitcoin ETF    
Entity Central Index Key 0001838028    
Entity File Number 001-41908    
Entity Tax Identification Number 85-6811021    
Entity Incorporation, State or Country Code DE    
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 false    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Ex Transition Period true    
Entity Public Float     $ 1,568,121,495
Entity Contact Personnel [Line Items]      
Entity Address, Address Line One 666 Third Avenue    
Entity Address, Address Line Two 9th Floor    
Entity Address, City or Town New York    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 10017    
Entity Phone Fax Numbers [Line Items]      
City Area Code 212    
Local Phone Number 293-2000    
Entity Listings [Line Items]      
Title of 12(b) Security Shares    
Trading Symbol HODL    
Security Exchange Name CboeBZX    
Entity Common Stock, Shares Outstanding   59,400,000