v3.26.1
INVESTMENT IN GOLD - Changes in Ounces of Gold Held and Respective Fair Value (Details) - Franklin Responsibly Sourced Gold ETF [Member]
 12 Months Ended
Mar. 31, 2026
USD ($)
oz
Mar. 31, 2025
USD ($)
oz
INVESTMENT IN GOLD [Abstract]    
Beginning Balance (Amount in Ounces) | oz 60,016.277 28,048.958
Beginning Balance (Amount in US$) | $ $ 186,956,705 [1] $ 62,110,210
Gold received for the creation of Shares (Amount in Ounces) | oz 57,308.239 42,022.504
Gold received for the creation of Shares (Amount in US$) | $ $ 215,191,777 $ 116,418,428
Gold distributed for the redemption of Shares (Amount in Ounces) | oz (13,988.775) (10,005.285)
Gold distributed for the redemption of Shares (Amount in US$) | $ $ (58,651,177) $ (26,173,315)
Principal on gold sales to pay expenses (Amount in Ounces) | oz (120.117) (49.9)
Principal on gold sales to pay expenses (Amount in US$) | $ $ (491,723) $ (129,448)
Net realized gain (loss) from gold distributed for the redemptions of shares and sold to pay expenses (Amount in Ounces) | oz 0 0
Net realized gain (loss) from gold distributed for the redemption of shares and sold to pay expenses (Amount in US$) | $ $ 18,201,941 $ 4,270,206
Net change in unrealized appreciation (depreciation) on investment in gold (Amount in ounces) | oz 0 0
Net change in unrealized appreciation (depreciation) on investment in gold (Amount in US$) | $ $ 114,446,198 $ 30,460,624
Ending Balance (Amount in Ounces) | oz 103,215.624 60,016.277
Ending Balance (Amount in US$) | $ [1] $ 475,653,721 $ 186,956,705
[1] Cost of investment in gold bullion: $319,559,905 at March 31, 2026 and $145,309,087 at March 31, 2025.