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Statements of Financial Condition (Parenthetical) (USD $)
Jan. 31, 2013
Oct. 31, 2012
Statements of Financial Condition [Abstract]    
Redeemable Capital Shares, par value      
Redeemable Capital Shares, shares authorized 92,000,000 92,000,000
Redeemable Capital Shares, shares issued 2,050,000 2,050,000
Redeemable Capital Shares, shares outstanding 2,050,000 2,050,000