Statements of Financial Condition(USD ($))	Jan. 31, 2014		Oct. 31, 2013
Current Assets:
Japanese Yen deposits, interest bearing	$ 196,350,514	[1]	$ 144,517,524
Japanese Yen deposits, non-interest bearing		[1]
Total Current Assets	196,350,514	[1]	144,517,524
Current Liabilities:
Accrued Sponsor's fee	66,852	[1]	53,674
Total Current Liabilities	66,852	[1]	53,674
Commitments and Contingent Liabilities (note 8)		[1]
Redeemable Capital Shares, at redemption value, no par value, 48,870,000 authorized - 2,050,000 and 1,450,000 issued and outstanding, respectively	196,283,662	[1]	144,463,850
Shareholders' Equity:
Retained Earnings		[1]
Cumulative Translation Adjustment		[1]
Total Liabilities, Redeemable Capital Shares and Shareholders' Equity	$ 196,350,514	[1]	$ 144,517,524

[1] (Unaudited)