v3.25.4
Combined Statements of Cash Flows - USD ($)
 3 Months Ended 9 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
Cash Flows from Operating Activities:        
Proceeds from gold bullion sold to pay expenses     $ 307,096 $ 84,660
Expenses – Sponsor’s fee paid     (307,096) (84,660)
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 48,158,913 (1,903,721) 99,643,508 10,303,478
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     307,096 84,660
Net realized (gain) loss (40,960) (4,249,440) (2,948,570) (4,261,209)
Net change in unrealized (appreciation) depreciation (48,278,898) 6,114,720 (97,037,695) (6,134,563)
Change in operating assets and liabilities:        
Sponsor’s fees payable     35,661 7,634
Net cash provided by (used in) operating activities     0 0
Supplemental disclosure of non-cash information:        
Gold bullion contributed for Shares issued     192,853,635 61,737,195
Gold bullion distributed for Shares redeemed     (14,608,036) (26,173,315)
Franklin Responsibly Sourced Gold ETF [Member]        
Cash Flows from Operating Activities:        
Proceeds from gold bullion sold to pay expenses     307,096 84,660
Expenses – Sponsor’s fee paid     (307,096) (84,660)
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 48,158,913 (1,903,721) 99,643,508 10,303,478
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     307,096 84,660
Net realized (gain) loss (40,960) (4,249,440) (2,948,570) (4,261,209)
Net change in unrealized (appreciation) depreciation $ (48,278,898) $ 6,114,720 (97,037,695) (6,134,563)
Change in operating assets and liabilities:        
Sponsor’s fees payable     35,661 7,634
Net cash provided by (used in) operating activities     0 0
Supplemental disclosure of non-cash information:        
Gold bullion contributed for Shares issued     192,853,635 61,737,195
Gold bullion distributed for Shares redeemed     $ (14,608,036) $ (26,173,315)