75000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 75010 - Statement - Statements of Financial Condition (Unaudited) link:presentationLink link:calculationLink link:definitionLink 75020 - Statement - Statements of Financial Condition (Unaudited) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 75030 - Statement - Statements of Comprehensive Income (Unaudited) link:presentationLink link:calculationLink link:definitionLink 75040 - Statement - Statements of Changes in Shareholders' Equity and Redeemable Capital Shares (unaudited) link:presentationLink link:calculationLink link:definitionLink 75050 - Statement - Statements of Cash Flows (Unaudited) link:presentationLink link:calculationLink link:definitionLink 995455 - Disclosure - Background link:presentationLink link:calculationLink link:definitionLink 995465 - Disclosure - Organization link:presentationLink link:calculationLink link:definitionLink 995475 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 995485 - Disclosure - Euro Deposits link:presentationLink link:calculationLink link:definitionLink 995495 - Disclosure - Concentration Risk link:presentationLink link:calculationLink link:definitionLink 995505 - Disclosure - Service Providers and Related Party Agreements link:presentationLink link:calculationLink link:definitionLink 995515 - Disclosure - Share Purchases and Redemptions link:presentationLink link:calculationLink link:definitionLink 995525 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 995535 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 995545 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 995555 - Disclosure - Organization - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 995565 - Disclosure - Summary of Significant Accounting Policies - Summary of Distributions Per Share and in Total for the Periods Presented (Detail) link:presentationLink link:calculationLink link:definitionLink 995575 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 995585 - Disclosure - Euro Deposits - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 995595 - Disclosure - Service Providers and Related Party Agreements - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 995605 - Disclosure - Share Purchases and Redemptions - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Current Reporting Status Entity Current Reporting Status Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Temporary Equity, Par or Stated Value Per Share Redeemable Capital Shares, no par value O 2026 Q1 Dividends [Member] O 2026 Q1 Dividends. Dividends [Member] Document Fiscal Period Focus Document Fiscal Period Focus Entity Shell Company Entity Shell Company Temporary Equity, Shares Outstanding Balance, Shares Balance, Shares Redeemable Capital Shares, shares outstanding Total distribution Distributions Dividends, Common Stock, Cash Segment Reporting Segment Reporting, Policy [Policy Text Block] Interest Income Policy [Text Block] Interest Income Interest income. Statement [Table] Statement [Table] Stockholders equity period increase (decrease) due to share transactions. Stockholders Equity Period Increase Decrease Due To Share Transactions Net Increase (Decrease) due to Share Transactions Statement [Line Items] Statement [Line Items] Entity Filer Category Entity Filer Category Liabilities and Equity Total Liabilities, Redeemable Capital Shares and Shareholders' Equity Annual nominal rate Investment Interest Rate Annual nominal rate Investment Income, Interest Interest Income Due to Broker Increase Decrease in Due to Broker Increase decrease in due to broker. Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Concentration Risk Disclosure [Text Block] Concentration Risk Earnings Per Share, Basic Basic Earnings (Loss) per Share Earnings Per Share, Basic, Total Accounting Policies [Table] Accounting Policies [Table] Accounting Policies [Table] Dividends payable, date of record Dividends Payable, Date of Record Payments for Repurchase of Redeemable Preferred Stock Principal redemptions Redemptions of redeemable capital Shares Equity, Attributable to Parent [Abstract] Shareholders' Equity: Entity Small Business Entity Small Business Redeemable Noncontrolling Interest, Equity, Carrying Amount [Abstract] Redeemable Capital Shares and Shareholders’ Equity Retained Earnings (Accumulated Deficit) Retained Earnings Retained Earnings (Accumulated Deficit), Total Minimum period required to stay for tax liability. Minimum Period Required To Stay For Tax Liability Minimum days required to stay for tax liability Organization, Consolidation and Presentation of Financial Statements [Abstract] Distributions paid Payments of Dividends Payments of Dividends, Total Amendment Flag Amendment Flag Amendment Flag Entity Address, Postal Zip Code Entity Address, Postal Zip Code Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Net cash provided by (used in) operating activities Rule 10b5-1 Arr Modified [Flag] Rule 10b5-1 Arrangement Modified Flag. Rule 10b5-1 Arrangement Modified Receivable from accrued interest Interest Receivable, Current Entity Address, Address Line One Entity Address, Address Line One Income Tax, Policy [Policy Text Block] Federal Income Taxes Supplemental Cash Flow Information [Abstract] Supplemental disclosure of cash flow information Foreign Currency Transactions and Translations Policy [Policy Text Block] Foreign Currency Translation Redeemable capital shares. Redeemable Capital Shares [Member] Redeemable Capital Shares [Member] Document Type Document Type Due to Broker Broker-Dealer, Payable to Other Broker-Dealer and Clearing Organization Broker-Dealer, Payable to Other Broker-Dealer and Clearing Organization, Total Professional fees liability. Professional Fees Liability [Member] Professional Fees Liability [Member] Entity Central Index Key Entity Central Index Key Interest-Bearing Deposits in Banks and Other Financial Institutions Euro deposits, interest bearing Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Net change in cash Temporary Equity, Carrying Amount, Period Increase (Decrease) Adjustment of Redeemable Capital Shares to Redemption Value Temporary Equity, Carrying Amount, Period Increase (Decrease), Total Liabilities [Abstract] Liabilities Current Fiscal Year End Date Current Fiscal Year End Date Document Quarterly Report Document Quarterly Report Non Recurring Fees And Expenses Policy [Text Block] Non-Recurring Fees and Expenses Non recurring fees and expenses. Entity Address, State or Province Entity Address, State or Province Risks and Uncertainties [Abstract] Receivable from accrued interest Receivable from accrued interest Increase (Decrease) in Accrued Interest Receivable, Net Euro deposits, non-interest bearing Due from Banks Increase (Decrease) in Due to Related Parties, Current Accrued Sponsor’s fee Increase (Decrease) in Due to Related Parties, Current, Total Number of deposits accounts in which trust assets primarily consist demand deposit. Number Of Deposits Accounts In Which Trust Assets Primarily Consist Demand Deposit Number of deposits accounts in which trust's assets primarily consist of Euros Other Liability, Current, Related Party [Extensible Enumeration] Related Party Transaction [Axis] Related Party Transaction Sponsor Fees Sponsor's fee Related Party Transactions [Abstract] Commitments and Contingencies Commitments and Contingent Liabilities (Note 8) Stockholders' equity, net increase (decrease) in number of shares due to share transactions. Stockholders Equity Net Increase Decrease Due To Share Transactions In Shares Net Increase (Decrease) due to Share Transactions, Shares Net Increase (Decrease) due to Share Transactions, shares Text Block [Abstract] Weighted Average Number of Shares Outstanding, Basic Weighted Average Number of Shares Outstanding, Basic, Total Basic Weighted-average Shares Outstanding Related Party Transactions Disclosure [Text Block] Service Providers and Related Party Agreements Cash Deposits, interest bearing Basis of Accounting, Policy [Policy Text Block] Basis of Presentation Statement of Stockholders' Equity [Abstract] Use of Estimates, Policy [Policy Text Block] Accounting Estimates Entity Address, Address Line Two Entity Address, Address Line Two Entity Incorporation, Date of Incorporation Date of Incorporation Business Description and Basis of Presentation [Text Block] Background Related and Nonrelated Parties [Axis] Related Party Entity Address, City or Town Entity Address, City or Town Security Exchange Name Security Exchange Name Redeemable Noncontrolling Interest, Equity, Carrying Amount Balance Balance Redeemable Noncontrolling Interest, Equity, Carrying Amount, Total Redeemable Capital Shares, at redemption value, no par value, 3,550,000 and 3,900,000 issued and outstanding, respectively Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Cash at end of period Cash at beginning of period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Total Interest Paid, Excluding Capitalized Interest, Operating Activity Cash paid for interest Document Period End Date Document Period End Date U.S. Dollar Cash at Depository Cash at Depository Cash at depository. Stock Redeemed or Called During Period, Value Redemption of Shares Stock Redeemable In Baskets Number Of Shares Redemptions Capital Shares, Number of shares in each Block Stock redeemable number share each block shares. Statement of Financial Position [Abstract] Related Party Transaction, Rate Sponsor's fee accrues daily and paid monthly, annual nominal Rate Liabilities Total Liabilities Sponsor. Sponsor [Member] Sponsor [Member] Accrued professional fees. Accrued Professional Fees [Member] Accrued Professional Fees [Member] Weighted Average Number of Shares Outstanding, Diluted Weighted Average Number of Shares Outstanding, Diluted, Total Diluted Weighted-average Shares Outstanding Securities Act File Number Entity File Number Cover [Abstract] Cash and Cash Equivalents Disclosure [Text Block] Euro Deposits Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract] Adjustments to reconcile net comprehensive income (loss) to net cash provided by (used in) operating activities: Redemptions payable Redemptions Payable Redemptions payable. Dividends [Policy Text Block] Dividends Policy [Text Block] Distributions Non-Rule 10b5-1 Arr Modified [Flag] Non-Rule 10b5-1 Arr modified flag. Non-Rule 10b5-1 Arrangement Modified Dividends [Domain] Document Transition Report Document Transition Report Routine Operational Administrative And Other Ordinary Expenses Policy [Text Block] Routine Operational, Administrative and Other Ordinary Expenses Routine operational administrative and other ordinary expenses. Operating Expenses Total Expenses Operating Expenses, Total Statement of Cash Flows [Abstract] Equity [Text Block] Share Purchases and Redemptions Net Comprehensive Income (Loss) Net Comprehensive Income (Loss) Accounting Policies [Line Items] Accounting Policies [Line Items] [Line Items for Accounting Policies [Table] Assets [Abstract] Assets Document Fiscal Year Focus Document Fiscal Year Focus Minimum Threshold Excess Annual Amount Of Payments Legal Fees And Expenses Excess amount of assumed audit fees and legal expenses Represents the minimum threshold for legal fees and expenses. Temporary Equity Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Stock Issued During Period, Value, Acquisitions Purchases of Shares Total Income Revenues Total Income Title of 12(b) Security Title of 12(b) Security Related Party Related and Nonrelated Parties [Domain] Temporary Equity, Shares Issued Redeemable Capital Shares, shares issued Noninterest-Bearing Deposit Liabilities, Foreign Euro deposits, non-interest bearing, overdrawn Stock Redeemed or Called During Period, Shares Redemption of Shares, Shares Share Purchase And Redemptions Settlement Period Creation And Redemption Share Purchases and Redemptions, Settlement of each creation or redemption period Share purchase and redemptions settlement period creation and redemption. Trading Symbol Trading Symbol Related Party Transaction [Table] Schedule Of Related Party Transactions By Related Party [Table] Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Cash flows from financing activities Equity Components [Axis] Equity Components Equity Component [Domain] Equity Component Statement of Comprehensive Income [Abstract] Dividends payable, date to be paid Dividends Payable, Date to be Paid Maximum Threshold Annual Amount Of Payments Legal Fees And Expenses Legal fees and expenses assumed Legal fees and expenses assumed sponsor. Distributed earnings Distributed Earnings Distributed Earnings, Total Dividends [Axis] Cash and Cash Equivalents [Abstract] Net Change Noninterest-Bearing Deposits, Foreign Increase (decrease) in payable for Euro Dollar deposits overdrawn Schedule of Dividends Payable [Table Text Block] Summary of Distributions Per Share and in Total for the Periods Presented Related Party Transaction [Line Items] Related Party Transaction [Line Items] Entity Registrant Name Entity Registrant Name Increase Decrease in Cash Due from Depository Increase (decrease) in cash due from depository. Cash due from Depository Income Tax Expense (Benefit) Provision for federal income taxes Income Tax Expense (Benefit), Total Rate of distribution per share Distributions per Share Common Stock, Dividends, Per Share, Cash Paid Costs and Expenses [Abstract] Expenses Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Proceeds from Issuance of Redeemable Preferred Stock Proceeds from purchases of redeemable capital Shares Principal deposits Assets Total Assets Reclassifications of Temporary to Permanent Equity Adjustment of Redeemable Capital Shares to Redemption Value related to Retained Earnings Stock Issued During Period, Shares, New Issues Purchases of Shares, Shares Earnings Per Share, Diluted Diluted Earnings (Loss) per Share Earnings Per Share, Diluted, Total City Area Code City Area Code Distribution, amount per share Partners' Capital, Distribution Amount Per Share Distributions paid to shareholders Distributions paid to shareholders Payments of Capital Distribution O2026Q2 Dividends [Member] O2026Q2 Dividends [Member] Dividends [Member] Retained Earnings [Member] Retained Earnings [Member] Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net cash provided by (used in) financing activities Entity Interactive Data Current Entity Interactive Data Current Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Cash flows from operating activities Entity Tax Identification Number Entity Tax Identification Number Revenues [Abstract] Income Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Organization Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Effect of exchange rate on cash Initial incorporation deposit with bank sponsor. Initial Incorporation Deposit With Bank Sponsor Initial deposits by Sponsor, Primary deposit account Local Phone Number Local Phone Number Related Party Transaction [Domain] Related Party Transaction Other Liabilities, Current Accrued Sponsor's fee Accounting Policies [Abstract] Entity Emerging Growth Company Entity Emerging Growth Company