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Financial Highlights (USD $)
 3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2014
Per Share Performance (for a Share outstanding throughout the entire period)    
Net asset value per Share at beginning of period $ 129.05 [1] $ 118.14 [1],[2]
Income from investment operations:    
Net investment loss $ (0.12) [1] $ (0.37) [1]
Total realized gain and change in unrealized gain on investment in gold $ (9.66) [1] $ 1.50 [1]
Change in net assets from operations $ (9.78) [1] $ 1.13 [1]
Net asset value per Share at end of period $ 119.27 [1] $ 119.27 [1]
Weighted average number of shares 8,599,457 [1] 8,645,604 [1]
Expense Ratio    
Annualized Sponsor's fee per Share 0.39% [1] 0.39% [1]
Net Investment Loss Ratio    
Annualized net investment loss ratio (0.39%) [1] (0.39%) [1]
Non-Annualized Total Return (7.58%) [1] 0.96% [1]
[1] Effective January 1, 2014, the Trust has adopted the provisions of Topic 946, Investment Companies, and follows specialized accounting. Refer to Note 2.1 for additional information.
[2] Derived from audited Statement of Financial Condition as of December 31, 2013.