Organization and Description of the Trust (Details Textual) (CHF)
3 Months Ended 6 Months Ended
Apr. 30, 2013
Depositor
Apr. 30, 2013
Jun. 08, 2006
Organization and Description of the Trust (Textual) [Abstract]      
Initial deposits by Sponsor, Primary deposit account     100
Redemptions Capital Shares, Number of shares in each Block   50,000  
Number of deposits accounts in which trust's assets primarily consist of Swiss Francs 2    
Incorporation date Jun. 08, 2006