Statements of Assets and Liabilities (Unaudited) (Parentheticals) - USD ($) $ / shares in Thousands	Mar. 31, 2024	Dec. 31, 2023
Investment in gold bullion, cost	$ 19,555,817,449	$ 20,091,705,096
Shares, par value (in dollars per share)	$ 0	$ 0
Shares, issued (in shares)	657,950,000	677,050,000