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Organization - Additional Information (Detail)
 12 Months Ended
Dec. 31, 2022
JPY (¥)
Dec. 31, 2021
Depositor
shares
Organization Consolidation And Presentation Of Financial Statements [Abstract]    
Date of Incorporation Feb. 01, 2007  
Initial deposits by sponsor, primary deposit account | ¥ ¥ 10,000  
Number of deposits accounts in which trust's assets primarily consist of Japanese Yen | Depositor   2
Redemptions capital shares, number of shares in each block | shares   50,000