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Statements of Financial Condition (Parenthetical) (USD $)
Apr. 30, 2015
Oct. 31, 2014
Statement of Financial Position [Abstract]    
Redeemable Capital Shares, no par value $ 0us-gaap_CommonStockNoParValue [1] $ 0us-gaap_CommonStockNoParValue
Redeemable Capital Shares, shares authorized 26,500,000us-gaap_CommonStockSharesAuthorized [1] 26,500,000us-gaap_CommonStockSharesAuthorized
Redeemable Capital Shares, shares issued 2,750,000us-gaap_CommonStockSharesIssued [1] 2,850,000us-gaap_CommonStockSharesIssued
Redeemable Capital Shares, shares outstanding 2,750,000us-gaap_CommonStockSharesOutstanding [1] 2,850,000us-gaap_CommonStockSharesOutstanding
[1] (Unaudited)