v3.26.1
Document And Entity Information - USD ($)
 12 Months Ended
Mar. 31, 2026
Jun. 09, 2026
Sep. 30, 2025
Document Information Line Items      
Entity Central Index Key 0001858258    
Document Type 10-K    
Document Annual Report true    
Current Fiscal Year End Date --03-31    
Document Period End Date Mar. 31, 2026    
Document Fiscal Year Focus 2026    
Document Transition Report false    
Entity File Number 001-41435    
Entity Registrant Name FRANKLIN TEMPLETON HOLDINGS TRUST    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 87-6458919    
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 94403-1906    
City Area Code 650    
Local Phone Number 312-2000    
Title of 12(b) Security Shares of Franklin Responsibly Sourced Gold ETF    
Trading Symbol FGDL    
Security Exchange Name NYSEArca    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
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    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 382,284,000
Entity Common Stock, Shares Outstanding   7,750,000  
Auditor Firm ID 238    
Auditor Name PricewaterhouseCoopers LLP    
Auditor Location San Francisco, California    
Amendment Flag false    
Document Fiscal Period Focus FY