Note 2 - Significant Accounting Policies - Share Activity (Details) - USD ($)	7 Months Ended		12 Months Ended
	Dec. 31, 2021	[1],[2]	Dec. 31, 2022	Dec. 31, 2021
Stock Issued During Period, Shares, New Issues (in shares)	49,450,000		31,300,000	49,450,000
Shares issued, amount	$ 885,306,489		$ 568,682,673	$ 885,306,489
Shares redeemed (in shares)	(2,000,000)		(16,950,000)	(2,000,000)
Distributions for Shares redeemed	$ (35,912,133)		$ (315,644,715)	$ (35,912,133)
Net increase in Shares issued and outstanding (in shares)	47,450,000		14,350,000	47,450,000
Net increase in net assets from capital share transactions	$ 849,394,356		$ 253,037,958	$ 849,394,356

[1] BlackRock Financial Management, Inc. (the “Seed Capital Investor”), contributed 5,000 ounces of Gold in exchange for 500,000 shares (the “Seed Creation Baskets”) on June 15, 2021 for the benefit of BlackRock Financial Management, Inc. At contribution, the value of the gold deposited with the Trust was based on the price of an ounce of gold of $1,865.10. The Seed Capital Investor is an affiliate of the Sponsor. The Seed Capital Investor did not not receive from the Trust, the Sponsor or any of their affiliates any fee or other compensation in connection with the sale of the Seed Creation Baskets. At December 31, 2021, the Seed Capital Investor no longer owned any shares of the Trust.

[2] Period from June 15, 2021 (date of inception) to December 31, 2021.