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Statements of Financial Condition (Parenthetical) - $ / shares
None in scaling factor is -9223372036854775296
Jul. 31, 2015
[1]
Oct. 31, 2014
Statement of Financial Position [Abstract]    
Redeemable Capital Shares, no par value    
Redeemable Capital Shares, shares authorized 127,000,000 102,000,000
Redeemable Capital Shares, shares issued 2,500,000 1,650,000
Redeemable Capital Shares, shares outstanding 2,500,000 1,650,000
[1] (Unaudited)