v3.26.1
ORGANIZATION (Details)
 3 Months Ended
Nov. 25, 2025
USD ($)
Solana
CreationUnits
$ / item
shares
Sep. 22, 2025
USD ($)
$ / shares
shares
Jun. 30, 2026
USD ($)
Solana
shares
Mar. 31, 2026
Solana
ORGANIZATION [Abstract]        
Year of inception     2025  
Staking services fee as a percentage of gross staking rewards     8.00%  
Stock issued during the period, shares | shares [1]     0  
Proceeds from issuance of shares $ 2,323,133.8   $ 0 [1],[2]  
Payment to redeem shares [1],[2]     $ 0  
Quantity of Solana | Solana 17,000   113,067.0655 112,336.0666
Number of Solana units purchased | Solana 17,000   0  
Cost of Solana per unit | $ / item 136.65      
Franklin Solana ETF [Member]        
ORGANIZATION [Abstract]        
Year of inception     2025  
Staking services fee as a percentage of gross staking rewards     8.00%  
Stock issued during the period, shares | shares [3]     0  
Proceeds from issuance of shares $ 2,323,133.8   $ 0 [3],[4]  
Payment to redeem shares [3],[4]     $ 0  
Quantity of Solana | Solana 17,000   113,067.0655 112,336.0666
Number of Solana units purchased | Solana 17,000   0  
Cost of Solana per unit | $ / item 136.65      
Maximum [Member]        
ORGANIZATION [Abstract]        
Staking services fee as a percentage of gross staking rewards     100.00%  
Maximum [Member] | Franklin Solana ETF [Member]        
ORGANIZATION [Abstract]        
Staking services fee as a percentage of gross staking rewards     100.00%  
Seed Creation Units [Member]        
ORGANIZATION [Abstract]        
Stock issued during the period, shares | shares 100,000   50,000  
Number of creation units issued in cash transaction | CreationUnits 2      
Number of Solana per creation unit 8,500      
Number of Solana per share (in Solana per share) 0.17      
Quantity of Solana | Solana 17,000      
Seed Creation Units [Member] | Franklin Solana ETF [Member]        
ORGANIZATION [Abstract]        
Stock issued during the period, shares | shares 100,000   50,000  
Number of creation units issued in cash transaction | CreationUnits 2      
Number of Solana per creation unit 8,500      
Number of Solana per share (in Solana per share) 0.17      
Quantity of Solana | Solana 17,000      
Initial Seed Shares [Member]        
ORGANIZATION [Abstract]        
Stock issued during the period, shares | shares   4,000    
Shares issued, price per share | $ / shares   $ 25    
Proceeds from issuance of shares   $ 100,000    
Payment to redeem shares $ 100,000      
Initial Seed Shares [Member] | Franklin Solana ETF [Member]        
ORGANIZATION [Abstract]        
Stock issued during the period, shares | shares   4,000    
Shares issued, price per share | $ / shares   $ 25    
Proceeds from issuance of shares   $ 100,000    
Payment to redeem shares $ 100,000      
[1] No comparative period presented as the Fund’s operations commenced on December 3, 2025.
[2] Dollar amount of balance represents the cumulative fair value of creation of shares less the redemption of shares, at the time of the specific creation or redemption.
[3] No comparative period presented as the Fund’s operations commenced on December 3, 2025.
[4] Dollar amount of balance represents the cumulative fair value of creation of Shares less the redemption of Shares, at the time of the specific creation or redemption.