Statements of Assets and Liabilities (Unaudited) (Parentheticals) - USD ($) $ / shares in Thousands	Sep. 30, 2024	Dec. 31, 2023
Investment in gold bullion, cost	$ 19,177,869,566	$ 20,091,705,096
Shares, par value (in dollars per share)	$ 0	$ 0
Shares, issued (in shares)	630,250,000	677,050,000