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Long-term Debt - Additional Information (Detail)			1 Months Ended			3 Months Ended		6 Months Ended
Long-term Debt - Additional Information (Detail)	Mar. 23, 2022 USD ($)	Jun. 14, 2021 USD ($)	Jun. 30, 2022 USD ($) shares	Feb. 28, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jun. 30, 2022 USD ($) Bitcoin shares	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) shares	Jun. 30, 2021 USD ($)
Senior Secured Notes Due Twenty Twenty Eight
Debt Instrument [Line Items]
Debt Instrument, Face Amount		$ 500,000,000.0
Interest rate, fixed percentage		6.125%
Periodic payment description		The 2028 Secured Notes bear interest at a fixed rate of 6.125% per annum, payable semiannually in arrears on June 15 and December 15 of each year, beginning on December 15, 2021.
Payment start date		Dec. 15, 2021
Debt instrument, maturity date		Jun. 15, 2028
Proceeds from debt		$ 487,200,000
Debt instrument, first springing maturity date		Sep. 15, 2025
Debt instrument, second springing maturity date		Nov. 16, 2026
Convertible Senior Notes due 2025
Debt Instrument [Line Items]
Debt Instrument, Face Amount					$ 650,000,000.0
Interest rate, fixed percentage					0.75%
Periodic payment description					The 2025 Convertible Notes are senior unsecured obligations of the Company and bear interest at a fixed rate of 0.750% per annum, payable semiannually in arrears on June 15 and December 15 of each year, beginning on June 15, 2021.
Payment start date					Jun. 15, 2021
Debt instrument, maturity date					Dec. 15, 2025
Proceeds from debt					$ 634,700,000
Number of shares convertible from notes \| shares			1,633,190			1,633,190		1,633,190
Total Interest Expense						$ 2,400,000	$ 2,500,000	$ 2,400,000	$ 2,500,000
Convertible Senior Notes due 2027
Debt Instrument [Line Items]
Debt Instrument, Face Amount				$ 1,050,000,000.000
Periodic payment description				The 2027 Convertible Notes are senior unsecured obligations of the Company and do not bear regular interest. However, holders of the 2027 Convertible Notes may receive special interest under specified circumstances as outlined in the indenture relating to the issuance of the 2027 Convertible Notes. Any special interest is payable semiannually in arrears on February 15 and August 15 of each year, beginning on August 15, 2021
Payment start date				Aug. 15, 2021
Debt instrument, maturity date				Feb. 15, 2027
Proceeds from debt				$ 1,026,000,000.000
Number of shares convertible from notes \| shares			733,005			733,005		733,005
Convertible Senior Notes due 2027
Debt Instrument [Line Items]
Total Interest Expense						$ 0	0	$ 0	0
Secured Notes Due Twenty Twenty Eight
Debt Instrument [Line Items]
Interest rate, fixed percentage		6.125%
Total Interest Expense						15,300,000	$ 0	15,300,000	$ 0
Debt instrument, first springing maturity date		Sep. 15, 2025
Debt instrument, second springing maturity date		Nov. 16, 2026
Secured Notes Due Twenty Twenty Eight \| Maximum
Debt Instrument [Line Items]
Springing maturity condition FCCR - aggregate principal of FCCR convertible notes outstanding		$ 100,000,000
Springing maturity condition 1- aggregate principal of 2025 convertible notes outstanding		100,000,000
Springing maturity condition 2- aggregate principal of 2027 convertible notes outstanding		$ 100,000,000
Secured Notes Due Twenty Twenty Eight \| Class A \| Minimum
Debt Instrument [Line Items]
Springing maturity condition FCCR liquidity percentage		130.00%
Springing maturity condition 1 liquidity percentage		130.00%
Springing maturity condition 2 liquidity percentage		130.00%
Secured Term Loan Due Twenty Twenty Five
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 205,000,000.0
Debt instrument, maturity date	Mar. 23, 2025
Proceeds from debt	$ 204,600,000
Total Interest Expense						$ 1,600,000		1,600,000
Secured Overnight Financing Rate 30 Day Average	30 days
Debt instrument, basis spread on variable rate	3.70%
Variable Interest Rate Floor	3.75%
Debt instrument monthly payable beginning date	2022-05
Lender fees and third-party costs	$ 400,000
Debt instrument, effective interest rate	3.87%
Secured Term Loan Due Twenty Twenty Five \| Collateral Pledged
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 205,000,000.0
Initial Value of Bitcoin collateral amount	$ 820,000,000.0
LTV Percentage Maximum	50
Debt instrument covenant description	While the 2025 Secured Term Loan is outstanding, MacroStrategy is required to maintain a Loan to collateral value ratio (“LTV Ratio”) of 50% or less (the “Maximum LTV Ratio”), which would amount to at least $410.0 million worth of bitcoin being required to be held in such account assuming the full $205.0 million of 2025 Secured Term Loan principal remains outstanding. If the price of bitcoin drops such that the LTV Ratio exceeds 50%, MacroStrategy is required to either deposit additional bitcoin in the Bitcoin Collateral Account or prepay a portion of the 2025 Secured Term Loan such that the LTV Ratio is reduced to 25% or less (or 35% or less, provided that in such case the interest rate on the 2025 Secured Term Loan will be increased by 25 basis points until such time as the LTV Ratio is reduced to 25% or less). In June 2022, as the price of bitcoin declined causing the LTV Ratio to increase, MacroStrategy deposited 10,585 additional bitcoins into the account securing the borrowing under the Credit and Security Agreement to help ensure that the LTV Ratio remained below the Maximum LTV Ratio. If at any time the LTV Ratio is less than 25% as a result of excess collateral in the Bitcoin Collateral Account, MacroStrategy is entitled to a return of such excess collateral so long as the LTV Ratio would not exceed 25% after giving effect to such return
LTV Ratio Cure 2 Additional Interest	25 basis points
LTV Ratio Cure 2 Additional Interest Condition	25.00%
LTV ratio maximum after return of excess collateral	25.00%
Additional number of bitcoins held in account to maintain LTV ratio \| Bitcoin						10,585
Cash reserve	$ 5,000,000.0
Secured Term Loan Due Twenty Twenty Five \| Maximum \| Collateral Pledged
Debt Instrument [Line Items]
Value of Bitcoin equivalent to 50% of the loan principal	$ 410,000,000.0
LTV Percentage Cure 1	25.00%
LTV Percentage Cure 2	35.00%
LTV Percentage maximum for return of excess collateral	25.00%
Secured Term Loan Due Twenty Twenty Five \| Events of Default
Debt Instrument [Line Items]
Increase interest accrual rate percentage	2.00%
2025 Secured Term Loan Year One
Debt Instrument [Line Items]
Prepayment Premium during Year 1	0.50%
2025 Secured Term Loan Year Two
Debt Instrument [Line Items]
Prepayment Premium during Year 2	0.25%
Other Long-Term Secured Debt
Debt Instrument [Line Items]
Debt Instrument, Face Amount			$ 11,100,000			$ 11,100,000		$ 11,100,000
Interest rate, fixed percentage			5.20%			5.20%		5.20%
Debt instrument, maturity year month			2027-06