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Statements of Financial Condition (Parenthetical) (USD $)
Oct. 31, 2014
Oct. 31, 2013
Statement of Financial Position [Abstract]    
Redeemable Capital Shares, no par value      
Redeemable Capital Shares, shares authorized 26,500,000us-gaap_CommonStockSharesAuthorized 26,500,000us-gaap_CommonStockSharesAuthorized
Redeemable Capital Shares, shares issued 2,850,000us-gaap_CommonStockSharesIssued 3,550,000us-gaap_CommonStockSharesIssued
Redeemable Capital Shares, shares outstanding 2,850,000us-gaap_CommonStockSharesOutstanding 3,550,000us-gaap_CommonStockSharesOutstanding