75000 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 75010 - Statement - Statements of Assets and Liabilities link:presentationLink link:calculationLink link:definitionLink 75020 - Statement - Statements of Assets and Liabilities (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 75030 - Statement - Schedules of Investment link:presentationLink link:calculationLink link:definitionLink 75040 - Statement - Statements of Operations link:presentationLink link:calculationLink link:definitionLink 75050 - Statement - Statements of Operations (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 75060 - Statement - Statements of Changes in Net Assets link:presentationLink link:calculationLink link:definitionLink 75070 - Statement - Statements of Changes in Net Assets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 995455 - Disclosure - Organization link:presentationLink link:calculationLink link:definitionLink 995465 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 995475 - Disclosure - Fair Value of Bitcoin link:presentationLink link:calculationLink link:definitionLink 995485 - Disclosure - The Initial Distribution to the Grayscale Bitcoin Mini Trust ETF link:presentationLink link:calculationLink link:definitionLink 995495 - Disclosure - Creations and Redemptions of Shares link:presentationLink link:calculationLink link:definitionLink 995505 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 995515 - Disclosure - Related Parties link:presentationLink link:calculationLink link:definitionLink 995525 - Disclosure - Concentration Risk link:presentationLink link:calculationLink link:definitionLink 995535 - Disclosure - Financial Highlights Per Share Performance link:presentationLink link:calculationLink link:definitionLink 995545 - Disclosure - Indemnifications link:presentationLink link:calculationLink link:definitionLink 995555 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 995565 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 995575 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 995585 - Disclosure - Fair Value of Bitcoin (Tables) link:presentationLink link:calculationLink link:definitionLink 995595 - Disclosure - Creations and Redemptions of Shares (Tables) link:presentationLink link:calculationLink link:definitionLink 995605 - Disclosure - Financial Highlights Per Share Performance (Tables) link:presentationLink link:calculationLink link:definitionLink 995615 - Disclosure - Organization - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995625 - Disclosure - Summary of Significant Accounting Policies - Summary of Valuation Techniques and Observable Inputs can Vary by Investment (Details) link:presentationLink link:calculationLink link:definitionLink 995635 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995645 - Disclosure - Fair Value of Bitcoin - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995655 - Disclosure - Fair Value of Bitcoin - Summary of Changes in Quantity of Bitcoin and the Respective Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 995665 - Disclosure - Fair Value of Bitcoin - Summary of Changes in Quantity of Bitcoin and the Respective Fair Value (Parenthetical) (Details) link:presentationLink link:calculationLink link:definitionLink 995675 - Disclosure - The Initial Distribution to the Grayscale Bitcoin Mini Trust ETF - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995685 - Disclosure - Creations and Redemptions of Shares - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995695 - Disclosure - Creations and Redemptions of Shares - Schedule of Activity in Number of Shares Issued and Redeemed (Details) link:presentationLink link:calculationLink link:definitionLink 995705 - Disclosure - Creations and Redemptions of Shares - Schedule of Activity in Value of Shares Issued and Redeemed (Details) link:presentationLink link:calculationLink link:definitionLink 995715 - Disclosure - Creations and Redemptions of Shares - Schedule of Activity in Value of Shares Issued and Redeemed (Parenthetical) (Details) link:presentationLink link:calculationLink link:definitionLink 995725 - Disclosure - Creations and Redemptions of Shares - Investment Owned Balanced Contract Receivable (Details) link:presentationLink link:calculationLink link:definitionLink 995735 - Disclosure - Creations and Redemptions of Shares - Investment Owned Balanced Contract Payable (Details) link:presentationLink link:calculationLink link:definitionLink 995745 - Disclosure - Income Taxes - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995755 - Disclosure - Related Parties - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995765 - Disclosure - Financial Highlights Per Share Performance - Summary of Per Share Data (Details) link:presentationLink link:calculationLink link:definitionLink 995775 - Disclosure - Financial Highlights Per Share Performance - Summary of Per Share Data (Parenthetical) (Details) link:presentationLink link:calculationLink link:definitionLink Coinbase Inc. [Member]. Coinbase Inc [Member] Coinbase Inc [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Summary of Fair Value Estimates Equity [Abstract] Entity Current Reporting Status Entity Current Reporting Status Operating Expenses [Abstract] Expenses: Fair Value, Inputs, Level 2 [Member] Level 2 [Member] Investment in bitcoin Investment In Bitcoin [Member] Investment in Bitcoin [Member] Investment Company, Financial Highlights [Table Text Block] Summary of per share data Document Fiscal Period Focus Document Fiscal Period Focus Realized investment gains losses sold to pay expenses. Realized Investment Gains Losses Sold to Pay Expenses Net realized gain on investment in Bitcoin sold to pay expenses Entity Shell Company Entity Shell Company Segment Reporting, Policy [Policy Text Block] Segment Reporting Net Assets End of period Beginning of period Net assets Statement [Table] Investment Company, Investment Income (Loss) from Operations, Per Share Net decrease in net assets resulting from operations Schedule of activity in value of shares issued and redeemed. Schedule of Activity in Value of Shares Issued and Redeemed [Table] Schedule of activity in number of shares issued and redeemed table text block. Schedule Of Activity In Number Of Shares Issued And Redeemed [Table Text Block] Schedule of activity in number of shares issued and redeemed Statement [Line Items] Revenue from Contract with Customer [Policy Text Block] Investment Transactions and Revenue Recognition Entity Filer Category Entity Filer Category Investment Owned ,Ending balance Investment Owned, Balance, Contracts Investment owned balance contracts Investment Owned ,Beginning balance Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Federal income tax rate Safeguarding Liability, Platform Operator, Crypto-Asset Bitcoin payable, at fair value Bitcoin distributed for Initial Distribution (Return of Capital) Investment owned balance contracts distributed for initial distribution (return of capital). Investment Owned Balance Contracts Distributed For Initial Distribution Return Of Capital Related Party [Member] Related Party [Member] Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Concentration Risk Disclosure [Text Block] Concentration Risk Investment Company, Total Return Total return Record date Issued date Dividends Payable, Date of Record Bitcoin distributed for Sponsor's Fee, related party Investments owned distributions. Investments Owned Distributions Bitcoin distributed for Sponsor's Fee, related party BTC Trust [Member] B T C Trust [Member] BTC trust. B T C Trust [Member] Entity Small Business Entity Small Business Investments owned new contributions. Investments Owned New Contributions Bitcoin contributed Investment owned, balance, shares held by custodian. Investment Owned Balance Shares Held By Custodian Investment owned balance shares held by custodian Schedule of activity in value of shares issued and redeemed table text block. Schedule Of Activity In Value Of Shares Issued And Redeemed [Table Text Block] Schedule of activity in value of shares issued and redeemed Organization, Consolidation and Presentation of Financial Statements [Abstract] Amendment Flag Amendment Flag Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Address, Address Line One Entity Address, Address Line One Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV Investment Company, Investment Income (Loss) from Operations, Per Share [Abstract] Net decrease in net assets from investment operations: Percentage of sponser fee decreases. Percentage Of Sponser Fee Decreases Percentage of sponser fee decreases O 2024 M 2 Dividends. O 2024 M 2 Dividends [Member] Dividend Distribution [Member] Non Sponsor Paid Expenses [Member] Non Sponsor Paid Expenses [Member] Non Sponsor Paid Expenses [Member] Investment Type [Axis] Amount of bitcoin distributed by the trust Amount of Bitcoin Distributed By The Trust Amount of bitcoin distributed by the trust. Initial Distribution, Amount of bitcoin distributed by the trust Bitcoin distributed for Initial Distribution (Return of Capital) Document Type Document Type Noncontrolling Interest, Ownership Percentage by Parent Percentage of minority interest owned Net Change in Number of Shares Issued and Redeemed Net decrease in Shares Stock Issued During Period, Shares, Period Increase (Decrease) Net Change in Number of Shares Issued and Redeemed Net decrease in Shares Entity Central Index Key Entity Central Index Key Subsequent Event Type [Domain] Subsequent Event Type Change in Shares outstanding: Change in shares outstanding. Change In Shares Outstanding [Abstract] Operating Costs and Expenses Sponsor's Fees incurred Schedule of activity in number of shares issued and redeemed table. Schedule of Activity in Number of Shares Issued and Redeemed [Table] Liabilities [Abstract] Liabilities: Schedule of activity in value of shares issued and redeemed. Schedule of Activity in Value of Shares Issued and Redeemed [Line Items] Realized Investment Gains (Losses) Net realized gain on investment in Bitcoin Realized Investment Gains (Losses), Total Net realized gain Investment owned balanced contract payable. Investment Owned Balanced Contract Payable Bitcoin payable Net change in unrealized appreciation on investment in Bitcoin Investment Owned Balance Contracts Net Change In Unrealized Appreciation On Investment Investment Owned Balance Contracts Net Change In Unrealized Appreciation On Investment Ownership [Domain] Ownership Current Fiscal Year End Date Current Fiscal Year End Date Document Quarterly Report Per share amount of previously announced distributed shares. Per share amount of previously announced distributed shares Per share amount of previously announced distributed shares Entity Address, State or Province Entity Address, State or Province Investment Company, Investment Income (Loss) Ratio Net investment loss Schedule Of Changes In Net Assets Schedule Of Changes In Net Assets [Abstract] Risks and Uncertainties [Abstract] Share Redeem With Multiplied One Share redeem with multiplied one. Share redeem with multiplied one Sponsor's Parent [Member]. Sponsor Parent [Member] Sponsor's Parent [Member] Accounts Payable, Fair Value Disclosure Sponsor's Fee payable, related party Indemnifications Disclosure [Text Block]. Indemnifications Disclosure [Text Block] Indemnifications Increase (Decrease) in Operating Assets Net increase in net assets resulting from operations Net increase in net assets resulting from operations Net decrease in net assets resulting from operations Sponsor Fees Sponsor's Fee, related party Minimum [Member] Minimum [Member] Financial Instrument [Axis] Fair Value, Inputs, Level 3 [Member] Level 3 [Member] Investment Company, Gain (Loss) on Investment, Per Share Net realized and unrealized loss Unrealized Gain (Loss) on Investments Net change in unrealized depreciation on investment in Bitcoin Net change in unrealized appreciation on investment in Bitcoin Net change in unrealized appreciation/depreciation on investment in Bitcoin Distributions Made to Members or Limited Partners [Abstract] Related Party Transactions [Abstract] Common Stock, Other Shares, Outstanding Shares issued and outstanding, no par value (unlimited Shares authorized) Shares, Outstanding Shares outstanding at end of period Shares outstanding at beginning of period Net realized gain on investment in Bitcoin sold for Return of Capital Investment owned balance contracts realized investment gains losses sold for return of capital. Investment Owned Balance Contracts Realized Investment Gains Losses Sold For Return of Capital Investment Income. Investment Income Investment income Initial distribution. Initial Distribution [Text Block] The Initial Distribution to the Grayscale Bitcoin Mini Trust ETF Subsequent Events [Text Block] Subsequent Events Related Party Transactions Disclosure [Text Block] Related Parties Initial distribution ratio Initial Distribution Ratio Initial distribution ratio. Investments owned distributed for initial distribution (return of capital). Investments Owned Distributed For Initial Distribution Return Of Capital Bitcoin distributed for Initial Distribution (Return of Capital) Net realized gain on investment in Bitcoin sold for redemption of Shares Investment Owned Balance Contracts Realized Investment Gains Losses Sold for Redemption of Shares Investment owned, balance, contracts realized investment gains (losses) sold for redemption of shares. Gain on initial distribution. Gain on Initial Distribution Gain on initial distribution Entity Address, Address Line Two Entity Address, Address Line Two Fair Value Disclosures [Text Block] Fair Value of Bitcoin Declared date Dividends Payable, Date Declared Investment owned balanced contract receivable table text block. Investment Owned Balanced Contract Receivable [Table Text Block] Investment owned balanced contract receivable Investment Owned ,Ending balance Investment Owned ,Beginning balance Investment in Bitcoin Investment Owned, at Fair Value Investment in Bitcoin, at fair value (cost $2,822,395 and $2,841,465 as of March 31, 2026 and December 31,2025, respectively) Initial distrubition, description Initial Distrubition Description Initial distrubition, description. Initial distribution description Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] Entity [Domain] Schedule of Investments [Line Items] Schedule Of Investments [Line Items] Related Party [Axis] Related Party Entity Address, City or Town Entity Address, City or Town Security Exchange Name Net realized gain on investment in Bitcoin sold for redemption of Shares Realized investment gains losses sold for redemption of shares. Realized Investment Gains Losses Sold for Redemption of Shares (Decrease) increase in net assets from operations. Decrease Increase In Net Assets From Operations [Abstract] Decrease in net assets from operations: Investment Owned, at Cost Statistical Measurement [Domain] Document Period End Date Document Period End Date Number Of Authorized Shares Not Disclosed Number of authorized shares not disclosed. Shares authorized Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV Net assets. Net Assets [Abstract] Net assets: Increase in Net Assets From Capital Share Transactions. Increase In Net Assets From Capital Share Transactions [Abstract] Decrease in net assets from capital share transactions: Shares redeemed Stock Redeemed or Called During Period, Value Shares redeemed Statement of Financial Position [Abstract] Related Party Transaction, Rate Related party sponsor fee percentage Percentage of bitcoin distributed by the trust Percentage of Bitcoin Distributed By The Trust Percentage of bitcoin distributed by the trust. Net realized gain on investment in Bitcoin sold to pay expenses Investment Owned Balance Contracts Realized investment gains losses sold to pay expenses Investment owned, balance, contracts realized investment gains (losses) sold to pay expenses. Liabilities Total liabilities Financial Instruments [Domain] Schedule of Activity in Number of Shares Issued and Redeemed [Line Items] Schedule of activity in number of shares issued and redeemed. Return of capital. Return of Capital Return Of Capital Net Realized And Unrealized Gain Loss Net Realized And Unrealized Gain Loss [Abstract] Net realized and unrealized loss from: Entity File Number Entity File Number Cover [Abstract] Investments [Domain] Shares Issued Not Disclosed Shares issued not disclosed. Shares issued Number of operating segment Number of Operating Segments Distribution Made to Limited Liability Company (LLC) Member [Line Items] Bitcoin redeemed Investments owned redemption. Investments Owned Redemption Bitcoin redeemed Schedule of Investments [Table] Schedule Of Investments [Table] New Accounting Pronouncements, Policy [Policy Text Block] Recently Issued Accounting Pronouncements Ownership [Axis] Ownership Net assets from operations increase decrease. Net Assets From Operations Increase Decrease Net decrease in net assets resulting from operations Investment owned, balance, contracts net change in unrealized appreciation (depreciation) on investment. Investment Owned Balance Contracts Net Change In Unrealized Appreciation Depreciation On Investment Net change in unrealized appreciation/depreciation on investment in Bitcoin Investment, Type [Extensible Enumeration] Investment Holdings, Schedule of Investments [Table Text Block] Investment Holdings, Schedule of Investments Dividends [Domain] Document Transition Report Document Transition Report Investment owned, balance, contracts net realized gain on investment. Net realized gain on investment in Bitcoin Investment Owned Balance Contracts Net Realized Gain On Investment Schedule of Investments [Abstract] Stock Issued During Period, Value, New Issues Shares issued Shares issued Stockholders' Equity Note Disclosure [Text Block] Creations and Redemptions of Shares Bitcoin distributed for Sponsor's Fee, related party Investment owned, balance, contracts distributed. Investment Owned Balance Contracts Distributed Bitcoin distributed for Sponsor's Fee, related party Assets [Abstract] Assets: Document Fiscal Year Focus Document Fiscal Year Focus Bitcoin fair value per share Bitcoin Fair Value Per Share Bitcoin fair value per share Initial Distribution, Value of bitcoin distributed by the trust Value of bitcoin distributed by the trust. Value Of Bitcoin Distributed By The Trust Value of bitcoin distributed by the trust Fair Value Measurement, Policy [Policy Text Block] Fair Value Measurement Common share equivalent of bitcoin. Common Share Equivalent Of Bitcoin Share represented as bitcoin Fair Value Disclosures [Abstract] Bitcoin redeemed Investment owned balance contracts redemption. Investment Owned Balance Contracts Redemption Bitcoin redeemed Liabilities. Liabilities [Member] Investment Owned, Percent of Net Assets Percent of Net Assets Previously announced shares distributed Previously Announced Shares Distributed Previously announced shares distributed Investments owned at cost. Investments Owned At Cost Cost Title of 12(b) Security Investment Income, Net Net investment loss Net investment loss Related Party [Domain] Related Party Income Tax Disclosure [Text Block] Income Taxes Stock Redeemed or Called During Period, Shares Shares redeemed D C G. D C G [Member] DCG [Member] Legal Entity [Axis] Income Tax Disclosure [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Trading Symbol Schedule of Related Party Transactions, by Related Party [Table] Schedule Of Related Party Transactions By Related Party [Table] Subsequent Event Type [Axis] Subsequent Event Type Investment Company, Financial Highlights [Abstract] Investment. Investment [Member] Investments owned at fair value. Investments Owned At Fair Value Fair Value Investment Owned, Balance, Contracts New Contributions. Investment Owned Balance Contracts New Contributions Bitcoin contributed Accounts Payable Accrued and unpaid Sponsor's Fees Investment Company, Financial Highlights [Text Block] Financial Highlights Per Share Performance Investment Company, Investment Income (Loss), Per Share, Basic Net investment loss Additional trust expenses paid by sponsor. Additional Trust Expenses Paid By Sponsor Additional trust expenses paid by sponsor Investment Income, Net [Abstract] Investment income: Maximum [Member] Maximum [Member] Statistical Measurement [Axis] Indemnifications Disclosure [Abstract]. Indemnifications Disclosure [Abstract] Dividends [Axis] Related Party Transaction, Amounts of Transaction Related party maximum transaction in a fiscal year Investment Company, Financial Ratios [Abstract] Ratios to average net assets: Distributions Made to Limited Liability Company (LLC) Member [Table] Investment Company, Expense Ratio Including Incentive Fee Expenses Related Party Transaction [Line Items] Related Party Transaction [Line Items] Entity Registrant Name Entity Registrant Name Common Stock, Shares Held in Employee Trust, Shares Shares of the Trust, held by related parties Subsequent Events [Abstract] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Sponsor [Member]. Sponsor [Member] Sponsor [Member] Net (decrease) in net assets resulting from capital share transactions Stockholders' Equity, Period Increase (Decrease) Net decrease in net assets resulting from capital share transactions Investment owned balanced contract payable table text block. Investment Owned Balanced Contract Payable [Table Text Block] Investment owned balanced contract payable Gain (Loss) on Investments Net realized and unrealized loss on investment Net Asset Value Per Share Principal Market NAV per Share Principal Market NAV, beginning of period Principal Market NAV, end of period Investment Company, Financial Highlights [Line Items] Assets Total assets Income Statement [Abstract] Fair Value of Financial Instruments, Policy [Policy Text Block] Principal Market and Fair Value Determination Stock Issued During Period, Shares, New Issues Shares issued Number of new stock issued during the period City Area Code City Area Code Quantity of bitcoin. Quantity Of Bitcoin Quantity of Bitcoin Realized investment gains losses sold for initial distribution (return of capital). Realized Investment Gains Losses Sold For Initial Distribution Return Of Capital Net realized gain on investment in Bitcoin sold for Initial Distribution (Return of Capital) Net realized gain on investment in Bitcoin sold for Return of Capital Investment Company, Financial Highlights [Roll Forward] Per Share Data Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Common Stock Value, Shares Authorized. Common Stock Value Shares Authorized Common Stock Value, Shares Authorized Fair Value, Inputs, Level 1 [Member] Level 1 [Member] Investment owned balanced contract receivable. Investment Owned Balanced Contract Receivable Bitcoin receivable Share issue with multiplied one Share Issue With Multiplied One Share issue with multiplied one. Common Stock, Shares Held in Employee Trust Amount of the Trust, held by related parties Entity Interactive Data Current Entity Interactive Data Current Net decrease in net assets resulting from capital share transactions Increase Decrease In Net Assets. Increase Decrease In Net Assets Total decrease in net assets from operations and capital share transactions Investment Company, Financial Highlights [Table] Entity Tax Identification Number Entity Tax Identification Number Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Organization Local Phone Number Local Phone Number Accounting Policies [Abstract] Percentage of sponser fee. Percentage Of Sponser Fee Percentage of sponser fee Entity Emerging Growth Company Entity Emerging Growth Company