v3.25.3
Combined Statements of Cash Flows - USD ($)
 3 Months Ended 6 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Cash Flows from Operating Activities:        
Proceeds from gold bullion sold to pay expenses     $ 165,925 $ 51,629
Expenses – Sponsor’s fee paid     (165,925) (51,629)
Net cash provided by (used in) operating activities     0 0
Increase (decrease) in cash     0 0
Cash, beginning of period     0 0
Cash, end of period $ 0 $ 0 0 0
Reconciliation of Net Increase (Decrease) in Net Assets Resulting from Operations to Net Cash Provided by (Used in) Operating Activities:        
Net increase (decrease) in net assets resulting from operations 41,479,994 8,997,236 51,484,595 12,207,199
Adjustments to reconcile net increase (decrease) in net assets resulting from operations to net cash provided by (used in) operating activities:        
Proceeds from gold bullion sold to pay expenses     165,925 51,629
Net realized (gain) loss (21,629) (6,556) (2,907,610) (11,770)
Net change in unrealized (appreciation) depreciation (41,555,904) (9,018,985) (48,758,797) (12,249,283)
Change in operating assets and liabilities:        
Sponsor’s fees payable     15,887 2,225
Net cash provided by (used in) operating activities     0 0
Supplemental disclosure of non-cash information:        
Gold bullion contributed for Shares issued     153,402,627 11,678,377
Gold bullion distributed for Shares redeemed     (14,608,036) 0
Franklin Responsibly Sourced Gold ETF [Member]        
Cash Flows from Operating Activities:        
Proceeds from gold bullion sold to pay expenses     165,925 51,629
Expenses – Sponsor’s fee paid     (165,925) (51,629)
Net cash provided by (used in) operating activities     0 0
Increase (decrease) in cash     0 0
Cash, beginning of period     0 0
Cash, end of period 0 0 0 0
Reconciliation of Net Increase (Decrease) in Net Assets Resulting from Operations to Net Cash Provided by (Used in) Operating Activities:        
Net increase (decrease) in net assets resulting from operations 41,479,994 8,997,236 51,484,595 12,207,199
Adjustments to reconcile net increase (decrease) in net assets resulting from operations to net cash provided by (used in) operating activities:        
Proceeds from gold bullion sold to pay expenses     165,925 51,629
Net realized (gain) loss (21,629) (6,556) (2,907,610) (11,770)
Net change in unrealized (appreciation) depreciation $ (41,555,904) $ (9,018,985) (48,758,797) (12,249,283)
Change in operating assets and liabilities:        
Sponsor’s fees payable     15,887 2,225
Net cash provided by (used in) operating activities     0 0
Supplemental disclosure of non-cash information:        
Gold bullion contributed for Shares issued     153,402,627 11,678,377
Gold bullion distributed for Shares redeemed     $ (14,608,036) $ 0