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Statements of Assets and Liabilities (Parentheticals) - USD ($)
$ / shares in Thousands
Dec. 31, 2019
Dec. 31, 2018
Investment in gold bullion, cost $ 15,094,673,874 $ 11,255,129,376
Shares, par value (in dollars per share) $ 0 $ 0
Shares, issued (in shares) 1,211,150,000 940,200,000