v3.25.3
Cover - shares
 6 Months Ended
Sep. 30, 2025
Nov. 04, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes  
Amendment Flag false  
Document Period End Date Sep. 30, 2025  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Entity Information [Line Items]    
Entity Registrant Name FRANKLIN TEMPLETON HOLDINGS TRUST  
Entity Central Index Key 0001858258  
Entity File Number 001-41435  
Entity Tax Identification Number 87-6458919  
Entity Incorporation, State or Country Code DE  
Current Fiscal Year End Date --03-31  
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 false  
Entity Contact Personnel [Line Items]    
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  
Entity Phone Fax Numbers [Line Items]    
City Area Code 650  
Local Phone Number 312-2000  
Entity Listings [Line Items]    
Title of 12(b) Security Shares of Franklin Responsibly Sourced Gold ETF  
Trading Symbol FGDL  
Security Exchange Name NYSEArca  
Entity Common Stock, Shares Outstanding   7,750,000