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Cover
 6 Months Ended
Jun. 30, 2024
shares
Cover [Abstract]  
Document Type 10-Q
Amendment Flag false
Document Quarterly Report true
Document Transition Report false
Document Period End Date Jun. 30, 2024
Document Fiscal Period Focus Q2
Document Fiscal Year Focus 2024
Current Fiscal Year End Date --12-31
Entity File Number 1-03480
Entity Registrant Name WISDOMTREE BITCOIN FUND
Entity Central Index Key 0001850391
Entity Tax Identification Number 99-6119726
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 250 West 34th Street
Entity Address, Address Line Two 3rd Floor
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10119
City Area Code (866)
Local Phone Number 909-9473
Title of 12(b) Security Common Shares of Beneficial Interest of WisdomTree Bitcoin Fund
Trading Symbol BTCW
Security Exchange Name CboeBZX
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
Elected Not To Use the Extended Transition Period false
Entity Shell Company false
Entity Common Stock, Shares Outstanding 1,215,000