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Financial Highlights (USD $) | 12 Months Ended
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Dec. 31, 2014
Per Share Performance (for a Share outstanding throughout the entire period) |  |
Net asset value per Share at beginning of year | $ 118.14sgol_NetAssetValuePerShare | [1]
Income from investment operations: |  |
Net investment loss | $ (0.49)sgol_NetInvestmentIncomLossPerShare | [1]
Total realized and unrealized gains or losses on investment in gold | $ (0.19)sgol_NetRealizedAndUnrealizedGainsAndLossesOnInvestmentInBullionPerShare | [1]
Change in net assets from operations | $ (0.68)sgol_ChangeInNetAssetsFromOperationsPerShare | [1]
Net asset value per Share at end of year | $ 117.46sgol_NetAssetValuePerShare | [1]
Weighted average number of shares | 8,578,219us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | [1]
Expense Ratio |  |
Sponsor's fee per Share | 0.39%sgol_AnnualizedRateOfSponsorsFee | [1]
Net Investment Loss Ratio |  |
Net investment loss ratio | (0.39%)sgol_AnnualizedNetInvestmentIncomeLossRatio | [1]
Total Return | (0.58%)sgol_NonAnnualizedTotalReturn | [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.

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