Organization and Description of the Trust - Additional Information (Detail) (JPY ¥)	6 Months Ended
	Apr. 30, 2015 Depository
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	2
Redemptions capital shares, number of shares in each block	50,000