Total assets Total liabilities Net assets Beginning of period End of period Net Assets, Fair Value Total expenses Net expenses Net realized gain on investments in bitcoin Net realized gain and change in unrealized appreciation (depreciation) Net increase in net assets resulting from operations Total capital share transactions Net increase in net assets Fair Value Hierarchy and NAV [Axis] Balance, Shares, beginning of period (in bitcoin) Balance, Shares, end of period (in bitcoin) Quantity of Bitcoin (in bitcoin) Balance, beginning of period Balance, end of period Fair Value Investment Owned, Fair Value Measurement Input Type [Axis] Beginning of period, Shares Ending of period, Shares Shares outstanding (no par value, unlimited amount authorized) (in Shares) Beginning of period, Amount Ending of period, Amount Net asset value per share, beginning of period Net asset value per share, end of period Net Asset Value per Share (in Dollars per share) Total increase resulting from operations Total return Assets Investment in bitcoin, at fair value (cost $895,843,577 and $-, respectively) Investment in Bitcoin Investment in Bitcoin, cost Cost Cash Liabilities Shares issued and outstanding (no par value, unlimited amount authorized) (in Shares) Share par value Shares authorized Expenses Sponsor fee, related party Sponsor fee waiver, related party Net investment loss Net realized gain and change in unrealized appreciation (depreciation) Net realized gain on: Net change in unrealized appreciation (depreciation) on investments in bitcoin Net increase from operations Net realized gain from investment in bitcoin Change in net unrealized appreciation (depreciation) from investments in bitcoin Net change in unrealized appreciation on investment in Bitcoin Capital Share transactions Net assets: % of Net Assets Net Assets, % of Net Assets Investment Owned, Net Assets, Percentage Bitcoin sold for redemption of shares Bitcoin distributed for Sponsor fee, related party Contributions for shares issued Withdrawals for shares redeemed Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Significant Accounting Policies [Text Block] Fair Value, Assets Measured on Recurring Basis [Table Text Block] Assets Changes In Quantity Of Bitcoin And The Respective Fair Value [Table Text Block] Bitcoin contributed, Shares (in bitcoin) Bitcoin contributed Bitcoin contributed Bitcoin withdrawn, Shares (in bitcoin) Bitcoin withdrawn Net change in unrealized appreciation on investment in Bitcoin, Shares (in Shares) Net realized gain on investment in Bitcoin, Shares (in Shares) Net realized gain on investment in Bitcoin Trust Expenses and Other Agreements [Text Block] Related Party Transactions Disclosure [Text Block] Equity [Text Block] Schedule of Stockholders Equity [Table Text Block] Shares issued, Shares Shares issued, Amount Shares redeemed, Amount Commitments and Contingencies Disclosure [Text Block] Concentration Risk Disclosure [Text Block] Investment Company, Financial Highlights [Text Block] Investment Company, Financial Highlights [Table Text Block] From investment operations: Net investment loss Net realized gain and change in unrealized appreciation/depreciation on investments in bitcoin Ratios to average net assets(h) Expenses before fee waiver Expenses after fee waiver Net investment loss Portfolio turnover rate Subsequent Events [Text Block] Shares redeemed, Shares Stock Redeemed or Called During Period, Shares Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Quantity of Bitcoin [Member] Fair Value [Member] Ownership [Axis] Award Date [Axis] Accounting Policies [Abstract] Cybersecurity Risk Management Expertise of Management Responsible [Text Block] Cybersecurity Risk Third Party Oversight and Identification Processes [Flag] Cybersecurity Risk Management Third Party Engaged [Flag] Cybersecurity Risk Role of Management [Text Block] Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block] Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag] Sponsor Fee Terms Shares, Issued Shares Issued, Price Per Share Proceeds from Sale of Other Assets Subsidiary, Ownership Percentage, Parent Temporary Equity, Shares Authorized Subsequent Event, Date Subsequent Event, Description Basis of Accounting, Policy [Policy Text Block] Cash and Cash Equivalents, Policy [Policy Text Block] Investment Valuation, Policy [Policy Text Block] Bitcoin, Policy [Policy Text Block] Calculation Of Net Asset Value, Policy [Policy Text Block] Income Tax, Policy [Policy Text Block] Segment Reporting, Policy [Policy Text Block] Seed Capital Investor [Member] Bitcoin Custodian [Member] Additional Bitcoin Custodian [Member] Record Date [Member] Fair Value Hierarchy and NAV [Domain] Significant Accounting Policies - Schedule of the Fair Value Hierarchy (Details) [Table] Significant Accounting Policies - Schedule of the Fair Value Hierarchy (Details) [Line Items] Measurement Input Type [Domain] Significant Accounting Policies - Schedule of Changes in Quantity of Bitcoin (Details) [Table] Significant Accounting Policies - Schedule of Changes in Quantity of Bitcoin (Details) [Line Items] Cybersecurity Risk Management, Strategy, and Governance [Table] Cybersecurity Risk Management, Strategy, and Governance [Line Items] Ownership [Domain] Related Parties (Details) [Table] Related Parties (Details) [Line Items] Concentration Risk (Details) [Table] Concentration Risk (Details) [Line Items] Award Date [Domain] Subsequent Event Review (Details) [Table] Subsequent Event Review (Details) [Line Items] Face amount per share of bitcoin contributed. Amount of bitcoin contributed at fair value. Bitcoin distributed for sponsor fee to related party amount. Disclosure of bitcoin. Number of bitcoin sold for redemption of shares. Face amount of bitcoin withdrawn. Fair value of bitcoin withdrawn. Disclosure of calculation of net asset value. Disclosure of changes in quantity of bitcoin and the respective fair value. Investment Valuation, Policy [Policy Text Block] Percentage of net assets. Net change in unrealized appreciation on investment in bitcoin face amount. Net change in unrealized appreciation on investment in Bitcoin, Shares Face amount per share of net realized gain and change in unrealized appreciation depreciation on investments in bitcoin. Face amount per share of net realized gain on investment in bitcoin. Net realized gain on investment in Bitcoin, Shares Amount of net realized gain loss and unrealized appreciation depreciation. Amount received from capital withdrawals. Face amount per share of quantity of bitcoin. For trust expenses and other agreements Sponsor fee waiver, related party Amount of capital share transactions. Disclosure of trust expenses and other agreements. Cybersecurity Risk Management Expertise of Management Responsible [Text Block] Related Party Transactions [Abstract] Assets [Abstract] Proceeds From Capital Withdrawals Segment Reporting, Policy [Policy Text Block] Investment Company, Expense Ratio, after Fee Waiver and before Incentive Fee Deduction Statement of Cash Flows [Abstract] Bitcoin Custodian Member Gain (Loss) on Investments Cybersecurity Risk Role of Management [Text Block] Fair Value, Inputs, Level 3 [Member] Net Assetsof Percentage Investment Company, Investment Income (Loss) Ratio Sponsor Fee Terms Related Party Transactions Disclosure [Text Block] Bitcoin Contributed Fair Value, Assets Measured on Recurring Basis [Table Text Block] Sponsor Fee Waiver Investment Company, Financial Highlights [Abstract] Investment Valuation Policy Policy Text Block Capital Share Transactions Abstract Stock Issued During Period, Value, New Issues Cybersecurity Risk Third Party Oversight and Identification Processes [Flag] Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag] Basis of Accounting, Policy [Policy Text Block] Bitcoin Distributed For Sponsor Fee Related Party Common Stock, Value, Outstanding Temporary Equity, Shares Authorized Increase (Decrease) in Operating Assets Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block] Concentration Risk Disclosure [Text Block] Fair Value, Inputs, Level 1 [Member] Income Statement [Abstract] Stock Issued During Period, Shares, New Issues Ratios To Average Net Assets HAbstract Schedule Of The Fair Value Hierarchy Abstract Schedule Of Share And Capital Activity Abstract Schedule Of Financial Highlights Abstract Realized Investment Gains (Losses) Net Realized Gain On Abstract Trust Expenses And Other Agreements Text Block Net Realized Gain And Change In Unrealized Appreciationdepreciation On Investments In Bitcoin Trust Expenses And Other Agreements Abstract Cybersecurity Risk Management Third Party Engaged [Flag] Investment Company, Expense Ratio, after Fee Waiver and Incentive Fee Deduction Net Realized Gainloss And Unrealized Appreciationdepreciation Portion at Fair Value Measurement [Member] Net Realized Gain And Change In Unrealized Appreciation Depreciation Abstract Assets Abstract0 Proceeds from Contributed Capital Assets Liabilities Expenses Abstract Net Asset Value Per Share Subsequent Event, Description Cash and Cash Equivalents, Policy [Policy Text Block] Changes In Quantity Of Bitcoin And The Respective Fair Value Table Text Block Subsequent Events [Text Block] Calculation Of Net Asset Value Policy Text Block Common Stock, Shares, Issued Net Realized Gain On Investment In Bitcoin Shares Investment Owned, Fair Value Bitcoin Sold For Redemption Of Shares Common Stock, Shares, Outstanding Schedule of Stockholders Equity [Table Text Block] Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Risks and Uncertainties [Abstract] Shares, Issued Seed Capital Investor Member Stock Redeemed or Called During Period, Shares Net Investment Income Net Increase From Operations Abstract From Investment Operations Abstract Net Change In Unrealized Appreciation On Investment In Bitcoin Shares Investment Company, Investment Income (Loss) from Operations, Per Share Bitcoin Policy Text Block Net Assets Net Realized Gain On Investment In Bitcoin Equity [Text Block] Common Stock, No Par Value Fair Value, Inputs, Level 2 [Member] Schedule Of Investment Abstract Schedule Of Changes In Quantity Of Bitcoin Abstract Quantity Of Bitcoinin Bitcoin Total Capital Share Transactions Income Tax, Policy [Policy Text Block] Record Date Member Investment Company, Total Return Subsequent Events [Abstract] Operating Expenses Statement of Financial Position [Abstract] Investment Company, Portfolio Turnover Investment Owned, Cost Common Stock, Shares Authorized, Unlimited [Fixed List] Net Change In Unrealized Appreciation On Investment In Bitcoin Cash and Cash Equivalents, at Carrying Value Bitcoin Contributed Fair Value Bitcoin Withdrawn Subsidiary, Ownership Percentage, Parent Increase (Decrease) in Operating Capital Investment Company, Gain (Loss) on Investment, Per Share Shares Issued, Price Per Share Subsequent Event, Date Sponsor Fees Commitments and Contingencies Disclosure [Text Block] Investment Company, Financial Highlights [Table Text Block] Commitments and Contingencies Disclosure [Abstract] Unrealized Gain (Loss) on Investments Additional Bitcoin Custodian Member Investment Owned, Net Assets, Percentage Stock Redeemed or Called During Period, Value Cybersecurity Risk Management, Strategy, and Governance [Abstract] Liabilities [Abstract] Investment Company, Financial Highlights [Text Block] Net Expenses After Sponsor Fee Waiver Investments Quantity Of Bitcoin Member Stockholders' Equity Note [Abstract] Net Assets Abstract Significant Accounting Policies [Text Block] Bitcoin Withdrawn Fair Value Proceeds from Sale of Other Assets