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Organization and Description of the Trust - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2019 AUD ($) Account shares
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Organization formation date	Jun. 08, 2006
Initial deposits by sponsor, primary deposit account \| $	$ 100
Number of deposits accounts in which trust's assets primarily consist of Australian Dollars \| Account	2
Redemptions capital shares, number of shares in each block \| shares	50,000