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Statements of Financial Condition (Parenthetical) - $ / shares
Apr. 30, 2016
Oct. 31, 2015
Statement of Financial Position [Abstract]    
Redeemable Capital Shares, no par value
Redeemable Capital Shares, shares authorized 59,000,000 59,000,000
Redeemable Capital Shares, shares issued 1,600,000 1,600,000
Redeemable Capital Shares, shares outstanding 1,600,000 1,600,000