Document Transition Report Document Transition Report Document Type Document Type Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Entity Address, City or Town Entity Address, City or Town Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Address, State or Province Entity Address, State or Province Entity Central Index Key Entity Central Index Key Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Current Reporting Status Entity Current Reporting Status Entity Emerging Growth Company Entity Emerging Growth Company Entity Ex Transition Period Entity Ex Transition Period Entity File Number Entity File Number Entity Filer Category Entity Filer Category Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Total Liabilities Liabilities Net Assets Net Assets Shares issued and outstanding (in Shares) Common Stock, Shares, Issued Net asset value per Share (in Dollars per share) Net Asset Value per Share, beginning of period Net Asset Value per Share, end of period Net Asset Value Per Share Statement of Financial Position [Abstract] Statement [Table] Investment, Identifier [Axis] Investment, Identifier [Axis] Statement [Line Items] Investments at fair value (cost) Cost Investment Owned, Cost Schedules of Investments [Abstract] Schedule of Investments [Line Items] Schedule of Changes in EUAs [Line Items] Units Held (in Shares) Units Held Number of units held. Fair Value Investments in European Union Carbon Emission Allowances (“EUAs”), at fair value (cost $1,658,849 and $1,667,361, respectively) EUAs Balance Balance Investment Owned, Fair Value % of Net Assets Investment Owned, Net Assets, Percentage Entity Tax Identification Number Entity Tax Identification Number Local Phone Number Local Phone Number Title of 12(b) Security Title of 12(b) Security Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Entity Interactive Data Current Entity Interactive Data Current Entity Small Business Entity Small Business Entity Shell Company Entity Shell Company Net increase/(decrease) in net assets per share from operations Earnings Per Share, Basic ASSETS Assets [Abstract] Cash & Cash Equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Interest Receivable Interest Receivable Total Assets Assets LIABILITIES Liabilities [Abstract] Sponsor’s Management Fees Payable to sponsor Accrued Liabilities Statement of Stockholders' Equity [Abstract] Operations Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent [Abstract] Net investment loss Net Investment Income Net realized gain/(loss) from EUAs and foreign currency sold Realized Gain (Loss), Foreign Currency Transaction, after Tax Net change in unrealized gain/(loss) from EUAs Unrealized (gain)/loss on investment in EUAs Net change in unrealized gain/(loss) on investment in EUAs Unrealized Gain (Loss) on Investments Net increase/(decrease) in net assets resulting from operations NET INCREASE/(DECREASE) IN NET ASSETS RESULTING FROM OPERATIONS Net increase/(decrease) in net assets resulting from operations Expenses Expenses Policy Policy Text Block Disclosure of accounting policy for expenses. Organization Costs Organization Costs Policy Text Block Disclosure of accounting policy for organization costs. Income Taxes Income Tax, Policy [Policy Text Block] Investment Transactions and Revenue Recognition Investment Transactions And Revenue Recognition Policy Policy Text Block Disclosure of accounting policy for investment transactions and revenue recognition. Cash Cash and Cash Equivalents, Policy [Policy Text Block] Income Statement [Abstract] Financial Highlights [Abstract] FINANCIAL HIGHLIGHTS Investment Company, Financial Highlights [Text Block] Investment in EUAs Investment [Text Block] Related Parties — Sponsor [Abstract] Year of inception Year Of Inception The description of year of inception. Percentage of assets in cash Percentage Of Assets In Cash The percentage value of assets in cash. Number of authorized shares not disclosed Number Of Authorized Shares Not Disclosed Description of number of authorized shares not disclosed. Significant Accounting Policies [Abstract] Percentage of net asset value Percentage of net asset value of the trust Accrue Annualized Rate Equal To Average Daily Net Assets Value Accrue annualized rate equal to average daily net assets value. Schedule of Trust's Investments at Fair Value [Line Items] Short-Term Investments Short-Term Investments Total Investments, Fair Value Disclosure Schedule of Activity in Number of Shares Created and Redeemed [Abstract] Creations Shares issued Stock Issued During Period, Shares, New Issues Redemptions Stock Redeemed Or Called During Period Share Number of stock bought back by the entity at the exercise price or redemption price. Net Change in Number of Shares Created and Redeemed Stock Issued During Period, Shares, Period Increase (Decrease) Activity in Value of Shares Created and Redeemed: Class of Stock Disclosures [Abstract] Creations Stock Issued During Period, Value, New Issues Redemptions Stock Redeemed Or Called During Period Values Equity impact of the value of stock bought back by the entity at the exercise price or redemption price. Net change in Value of Shares Created and Redeemed Stockholders' Equity, Period Increase (Decrease) Schedule Of Changes In Euas Abstract Security Owned and Sold, Not yet Purchased, at Fair Value [Table] Organization [Abstract] Creations and Redemptions of Shares Shares Subject to Mandatory Redemption, Changes in Redemption Value, Policy [Policy Text Block] Fair Value Hierarchy and NAV [Domain] Schedule of Trust's Investments at Fair Value Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Activity in Number of Shares Created and Redeemed Schedule of Stockholders Equity [Table Text Block] Investment in EUAs [Abstract] Annualized yields percentage rate Annualized Yields Percentage Rate Percentage of annualized yields. Issues and redeems of shares Issues And Redeems Of Shares Number of issues and redeems of shares. Number of shares in a basket Number Of Shares In ABasket Number of shares in a basket. Transaction fee Transaction Fee The amount of expense in the period for transaction fee. Percentage of cash asset Percentage Of Cash Transactions To Pay Expenses Percentage of cash transactions to pay expenses. Investment, Issuer Name [Axis] Investment, Issuer Name [Domain] EUAs [Member] EUAs Member EUAs Purchased EUAs Purchased EUAs Purchased. EUAs Sold Gain (Loss) on Sale of Investments Realized Gain/(Loss) from EUAs sold to fund redemption Investment Company, Gain (Loss) on in-kind Redemption Realized Gain/(Loss) from EUAs sold to pay expenses Net realized gain/(loss) from EUAs sold to pay expenses Net realized (gain)/loss from EUAs sold to pay expenses Realized Investment Gains (Losses) Net change in Unrealized Appreciation/(Depreciation) Unrealized Gain (Loss) on Derivatives Schedule of Financial Highlights [Abstract] Net investment loss Investment Company, Investment Income (Loss) from Operations, Per Share Net realized and unrealized gain/(loss) from investment in EUAs Investment Company, Unrealized Gain (Loss) on Investment, Per Share Net change in net assets resulting from operations Investment Company, Net Asset Value, Per Share, Period Increase (Decrease) Market Value per Share, beginning of period Market Value per Share, end of period Investment Company, Market Value, Per Share Total Return, at Net Asset Value Investment Company, Total Return Amendment Flag Amendment Flag City Area Code City Area Code Current Fiscal Year End Date Current Fiscal Year End Date Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Information [Line Items] Document Information [Table] Document Period End Date Document Period End Date Document Quarterly Report Document Quarterly Report INVESTMENT INCOME Investment Income, Net [Abstract] Interest Income Investment Income, Interest EXPENSES Operating Expenses [Abstract] Sponsor’s Management Fees Sponsor Fees Total expenses Operating Expenses Net investment income/(loss) Operating Income (Loss) NET REALIZED AND UNREALIZED GAIN/(LOSS) Gain (Loss) on Investments [Abstract] Net realized gain/(loss) from Foreign Exchange Transactions Net realized (gain)/loss from foreign exchange transactions Realized Gain (Loss), Foreign Currency Transaction, before Tax Subsequent Events [Abstract] SUBSEQUENT EVENTS Subsequent Events [Text Block] Emerging growth company Emerging Growth In Company Policy Text Block Disclosure of accounting policy for emerging growth in company. Valuation of EUAs Fair Value Measurement, Policy [Policy Text Block] Calculation of Net Asset Value (“NAV”) Calculation Of Net Asset Value Policy Text Block Disclosure of accounting policy for net asset value. Foreign Currency Translations Foreign Currency Transactions and Translations Policy [Policy Text Block] Segment Reporting Segment Reporting, Policy [Policy Text Block] Net realized and change in unrealized gain/(loss) on investment in EUAs and foreign currency Gain (Loss) on Investments Weighted average number of shares outstanding Weighted Average Number of Shares Outstanding, Basic Statement of Cash Flows [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Adjustments to reconcile net increase/(decrease) in net assets resulting from operations to net cash provided by (used in) operating activities Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract] EUAs purchased for Shares created EUAs Purchased For Shares Created EUAs purchased for Shares created. EUAs sold EUAs Sold EUAs sold. (Increase)/decrease in interest receivable Increase (Decrease) in Accrued Interest Receivable, Net Increase/(decrease) in Sponsor’s Management Fee payable Increase (Decrease) in Management Fee Payable Net cash provided by (used in) operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation CASH FLOWS FROM FINANCING ACTIVITIES Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Capital Contributed for Purchase of EUAs Proceeds from Contributed Capital Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net increase/(decrease) in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation SUPPLEMENTAL DISCLOSURE OF NON-CASH FINANCING ACTIVITIES: Noncash Investing and Financing Items [Abstract] Value of EUAs contributed for shares issued Value Of Euas Contributed For Shares Issued The amount of value of euas contributed for shares issued. Value of EUAs distributed for shares redeemed Value of EUAs Distributed for Shares Redeemeds Value of EUAs Distributed for Shares Redeemed Capital Distributed for Redemption of Shares Capital Distributed for Redemption of Shares Capital distributed for redemption of shares. Capital Share Transactions: Investment Company, Capital Share Transaction, Increase (Decrease) [Abstract] Redemptions Stock Redeemed or Called During Period, Value Net increase/(decrease) in net assets from capital share transactions Investment Company, Capital Share Transaction, Increase (Decrease) Net decrease in net assets Increase (Decrease) in Other Operating Assets and Liabilities, Net Net Assets – Beginning of Period Net Assets – End of Period Equity, Attributable to Parent Shares issued and redeemed Investment Company, Capital Share Transactions, Stock Issued [Abstract] Shares redeemed Stock Redeemed or Called During Period, Shares Net increase/(decrease) in Shares issued and outstanding Shares, Outstanding ORGANIZATION Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] RELATED PARTIES — SPONSOR Related Party Transactions Disclosure [Text Block] Risks [Abstract] RISKS Concentration Risk Disclosure [Text Block] Indemnification Footnote [Abstract] INDEMNIFICATION FOOTNOTE Indemnification Footnote Text Block The entire disclosure of indemnification footnote. Total Return, at Market Value Investment Company, Total Return, Market Value Average Net Assets (in Dollars) Investment Company, Average Net Assets Ratio to average net assets Investment Company, Financial Ratios [Abstract] Net investment loss Investment Company, Investment Income (Loss) Ratio Expenses Investment Company, Expense Ratio after Incentive Allocation Schedule of Changes in EUAs Schedule of Securities Owned and Sold, Not yet Purchased, at Fair Value [Table Text Block] Schedule of Financial Highlights Investment Company, Financial Highlights [Table Text Block] Schedule Of Trusts Investments At Fair Value Abstract Significant Accounting Policies - Schedule of Trust's Investments at Fair Value (Details) [Table] Fair Value Hierarchy and NAV [Axis] Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] CODM description Segment Reporting, Expense Information Used by CODM, Description Operating segment Number of Operating Segments Chief Operating Decision Maker