v3.26.1
Combined Statements of Operations - USD ($)
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Expenses    
Sponsor's fee $ 540,465 $ 142,813
Total expenses 540,465 142,813
Net investment loss (540,465) (142,813)
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 18,201,941 4,270,206
Net change in unrealized appreciation (depreciation) on investment in gold 114,446,198 30,460,624
Net realized and change in unrealized gain (loss) on investment in gold 132,648,139 34,730,830
Net increase (decrease) in net assets resulting from operations $ 132,107,674 $ 34,588,017
Net increase (decrease) in net assets per Share (in Dollars per share) [1] $ 19.78 $ 12.69
Franklin Responsibly Sourced Gold ETF [Member]    
Expenses    
Sponsor's fee $ 540,465 $ 142,813
Total expenses 540,465 142,813
Net investment loss (540,465) (142,813)
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 18,201,941 4,270,206
Net change in unrealized appreciation (depreciation) on investment in gold 114,446,198 30,460,624
Net realized and change in unrealized gain (loss) on investment in gold 132,648,139 34,730,830
Net increase (decrease) in net assets resulting from operations $ 132,107,674 $ 34,588,017
Net increase (decrease) in net assets per Share (in Dollars per share) [1] $ 19.78 $ 12.69
[1] Net increase (decrease) in net assets per Share based on average shares outstanding during the period.