v3.25.3
Combined Statements of Changes in Net Assets - USD ($)
 3 Months Ended 6 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Net assets, beginning of period $ 227,882,241 $ 68,459,081 $ 186,935,761 $ 62,102,631
Net investment loss (97,539) (28,305) (181,812) (53,854)
Net realized gain (loss) from gold distributed for the redemption of shares and sold to pay expenses 21,629 6,556 2,907,610 11,770
Net change in unrealized appreciation (depreciation) on investment in gold 41,555,904 9,018,985 48,758,797 12,249,283
Net increase (decrease) in net assets resulting from operations 41,479,994 8,997,236 51,484,595 12,207,199
Capital Share Transactions:        
Contributions for Shares issued [1] 107,852,712 8,531,890 153,402,627 11,678,377
Distributions for Shares redeemed 0 0 (14,608,036) 0
Net increase (decrease) in net assets from capital share transactions 107,852,712 8,531,890 138,794,591 11,678,377
Net assets, end of period 377,214,947 85,988,207 377,214,947 85,988,207
Franklin Responsibly Sourced Gold ETF [Member]        
Net assets, beginning of period 227,882,241 68,459,081 186,935,761 62,102,631
Net investment loss (97,539) (28,305) (181,812) (53,854)
Net realized gain (loss) from gold distributed for the redemption of shares and sold to pay expenses 21,629 6,556 2,907,610 11,770
Net change in unrealized appreciation (depreciation) on investment in gold 41,555,904 9,018,985 48,758,797 12,249,283
Net increase (decrease) in net assets resulting from operations 41,479,994 8,997,236 51,484,595 12,207,199
Capital Share Transactions:        
Contributions for Shares issued [2] 107,852,712 8,531,890 153,402,627 11,678,377
Distributions for Shares redeemed 0 0 (14,608,036) 0
Net increase (decrease) in net assets from capital share transactions 107,852,712 8,531,890 138,794,591 11,678,377
Net assets, end of period $ 377,214,947 $ 85,988,207 $ 377,214,947 $ 85,988,207
[1] 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.
[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.