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GLDM Expenses - Additional Information (Detail) - Sponsor [Member]
4 Months Ended 5 Months Ended
Jun. 30, 2022
Feb. 22, 2022
Percentage of operating expenses annual fee of net asset value 0.10% 0.18%
SPDR Gold Mini Shares Trust [Member]    
Percentage of operating expenses annual fee of net asset value 0.10% 0.18%