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Significant Accounting Policies (Narrative) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Significant Accounting Policies [Abstract]
Percentage of gold held by UBS A.G.	0.00%
Basket of shares	50,000
Fair value transfers	$ 0		$ 0
Annualized rate of Sponsors Fee	0.39%
Reserve for uncertain tax positions	$ 0		0
Sponsor Fees	1,061,160	$ 959,197
Fees payable to Sponsor	372,542		$ 346,853
All other expenses	$ 0	$ 0

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Annualized rate of sponsors fee.

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Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Fees paid to advisors who provide certain management support and administrative oversight services including the organization and sale of stock, investment funds, limited partnerships and mutual funds.

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