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v3.25.0.1

Employee Benefit Plan - Additional Information (Detail) - USD ($) |  | 12 Months Ended
--- | --- | ---
Sep. 29, 2022 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Retirement Benefits [Abstract] |  |  |  |
Maximum employee contribution to 401k | 50.00% | 75.00% |  |
Employer matching contribution percent for plan participant |  | 50.00% |  |
Defined Contribution Plan, Sponsor Location [Extensible Enumeration] |  | us-gaap:DomesticPlanMember |  |
Defined Contribution Plan, Tax Status [Extensible Enumeration] |  | us-gaap:QualifiedPlanMember |  |
Maximum contribution by participant that employer will match at 50% |  | 12.00% |  |
Maximum annual contribution by employer |  | $ 5,000 |  |
Employer contribution to the plan |  | $ 2,300,000 | $ 2,800,000 | $ 3,100,000
Employer matching contributtion vesting percentage |  | 25.00% |  |

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- Definition Annual maximum contribution to participant 401k plan. + References No definition available. + Details
Name: | mstr_AnnualMaximumContributionToParticipant401kPlan
Namespace Prefix: | mstr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of employer's matching contributions to a defined contribution plan that vests in a given year. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Indicates location of employer sponsoring defined contribution plan designed to provide retirement benefits. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanSponsorLocationExtensibleList
Namespace Prefix: | us-gaap_
Data Type: | enum2:enumerationSetItemType
Balance Type: | na
Period Type: | duration

X
- Definition Indicates tax status of defined contribution plan designed to provide retirement benefits. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanTaxStatusExtensibleList
Namespace Prefix: | us-gaap_
Data Type: | enum2:enumerationSetItemType
Balance Type: | na
Period Type: | duration