XML 17 R3.htm IDEA: XBRL DOCUMENT v3.5.0.2
Statements of Financial Condition (Parenthetical) - $ / shares
Jul. 31, 2016
Oct. 31, 2015
Statement of Financial Position [Abstract]    
Redeemable Capital Shares, no par value
Redeemable Capital Shares, shares authorized 64,000,000 59,000,000
Redeemable Capital Shares, shares issued 1,550,000 1,600,000
Redeemable Capital Shares, shares outstanding 1,550,000 1,600,000