v3.26.1
Document and Entity Information - shares
 3 Months Ended
Mar. 31, 2026
May 04, 2026
Cover [Abstract]    
Entity Registrant Name Bitwise Bitcoin ETF  
Document Type 10-Q  
Document Quarterly Report true  
Amendment Flag false  
Document Period End Date Mar. 31, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Current Fiscal Year End Date --12-31  
Entity Central Index Key 0001763415  
Trading Symbol BITB  
Entity Filer Category Large Accelerated Filer  
Entity Current Reporting Status Yes  
Entity Common Stock, Shares Outstanding   70,710,000
Entity Emerging Growth Company false  
Entity Small Business false  
Entity Shell Company false  
Entity File Number 001-41902  
Entity Tax Identification Number 83-6613214  
Entity Address, Address Line One 250 Montgomery Street  
Entity Address, Address Line Two Suite 200  
Entity Address, City or Town San Francisco  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94104  
City Area Code 415  
Local Phone Number 707-3663  
Document Transition Report false  
Entity Incorporation, State or Country Code DE  
Entity Interactive Data Current Yes  
Title of 12(b) Security Bitwise Bitcoin ETF Shares  
Security Exchange Name NYSEArca