Schedules of Investments (Unaudited) - Investments (Details)	Jun. 30, 2021 USD ($) oz	Mar. 31, 2021 USD ($) oz	Dec. 31, 2020 USD ($) oz	Jun. 30, 2020 USD ($) oz	Mar. 31, 2020 USD ($) oz	Dec. 31, 2019 USD ($) oz
Gold bullion (Ounce) | oz	16,230,858	16,202,345	16,881,652	14,658,518	12,571,766	11,577,252
Investment in gold bullion, cost	$ 24,271,632,748	$ 24,106,918,759	$ 25,014,142,586	$ 20,470,354,346	$ 16,858,848,412	$ 15,094,673,874
Gold bullion fair value	28,617,437,101		31,924,891,396
Less Liabilities	(6,111,849)		(6,622,260)
Net Assets	$ 28,611,325,252	$ 27,393,007,009	$ 31,918,269,136	$ 25,912,624,790	$ 20,223,180,272	$ 17,628,525,082