Statements of Assets and Liabilities (Unaudited) (Parentheticals) - USD ($) $ / shares in Thousands	Sep. 30, 2023	Dec. 31, 2022
Investment in gold bullion, cost	$ 20,614,178,426	$ 22,205,551,004
Shares, par value (in dollars per share)	$ 0	$ 0
Shares, issued (in shares)	696,100,000	760,700,000