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 0002059438    
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 001-42961    
Entity Registrant Name FRANKLIN XRP TRUST    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 39-6821845    
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 Franklin XRP ETF Shares    
Trading Symbol XRPZ    
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     $ 0
Entity Common Stock, Shares Outstanding   19,600,000  
Auditor Firm ID 238    
Auditor Name PricewaterhouseCoopers LLP    
Auditor Location San Francisco, California    
Amendment Flag false    
Document Fiscal Period Focus FY