v3.26.1
Combined Statements of Operations - USD ($)
 3 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Expenses    
Sponsor’s fee $ 174,426 $ 84,273
Total expenses 174,426 84,273
Net investment loss (174,426) (84,273)
Net realized and change in unrealized gain (loss) on investment in gold:    
Net realized gain (loss) from gold distributed for the redemption of shares and sold to pay expenses 63,678 2,885,981
Net change in unrealized appreciation (depreciation) on investment in gold (60,141,655) 7,202,893
Net realized and change in unrealized gain (loss) on investment in gold (60,077,977) 10,088,874
Net increase (decrease) in net assets resulting from operations $ (60,252,403) $ 10,004,601
Net increase (decrease) in net assets per Share (in Dollars per share) [1] $ (7.77) $ 1.94
Franklin Responsibly Sourced Gold ETF [Member]    
Expenses    
Sponsor’s fee $ 174,426 $ 84,273
Total expenses 174,426 84,273
Net investment loss (174,426) (84,273)
Net realized and change in unrealized gain (loss) on investment in gold:    
Net realized gain (loss) from gold distributed for the redemption of shares and sold to pay expenses 63,678 2,885,981
Net change in unrealized appreciation (depreciation) on investment in gold (60,141,655) 7,202,893
Net realized and change in unrealized gain (loss) on investment in gold (60,077,977) 10,088,874
Net increase (decrease) in net assets resulting from operations $ (60,252,403) $ 10,004,601
Net increase (decrease) in net assets per Share (in Dollars per share) [1] $ (7.77) $ 1.94
[1] Net increase (decrease) in net assets per Share based on average shares outstanding during the period.