v3.25.1
Organization - Additional Information (Detail)
3 Months Ended
Mar. 31, 2025
Account
shares
Jun. 08, 2006
CHF (SFr)
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Initial deposits by Sponsor, Primary deposit account | SFr   SFr 100
Organization formation date Jun. 08, 2006  
Number of deposits accounts in which trust's assets primarily consist of Swiss Francs | Account 2  
Redemptions Capital Shares, Number of shares in each Block | shares 50,000