v3.26.1
SIGNIFICANT ACCOUNTING POLICIES - Summary of Changes in Shares (Details) - Franklin Responsibly Sourced Gold ETF [Member] - USD ($)
 3 Months Ended
Jun. 30, 2026
Jun. 30, 2025
SIGNIFICANT ACCOUNTING POLICIES [Abstract]    
Beginning Balance (in Shares) 7,750,000 [1] 4,500,000
Beginning Balance [2] $ 293,077,067 $ 136,536,467
Creation of Shares (in Shares) 0 1,050,000
Creation of Shares [2] $ 0 $ 45,549,915
Redemption of Shares (in Shares) 0 (350,000)
Redemption of Shares [2] $ 0 $ (14,608,036)
Ending Balance (in Shares) 7,750,000 [1] 5,200,000
Ending Balance [2] $ 293,077,067 $ 167,478,346
[1] No par value, unlimited amount authorized.
[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.