v3.26.1
Document And Entity Information - shares
 3 Months Ended
Jun. 30, 2026
Aug. 03, 2026
Document Information Line Items    
Entity Central Index Key 0001992870  
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Entity File Number 001-41915  
Entity Registrant Name Franklin Templeton Digital Holdings Trust  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 93-6855785  
Entity Address, Address Line One One Franklin Parkway  
Entity Address, City or Town San Mateo  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94403  
City Area Code 650  
Local Phone Number 312-2000  
Title of 12(b) Security Shares of Franklin Bitcoin ETF  
Trading Symbol EZBC  
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  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   9,750,000
Amendment Flag false  
Document Fiscal Year Focus 2027  
Document Fiscal Period Focus Q1  
Current Fiscal Year End Date --03-31