Employee Benefit Plan - Additional Information (Detail) - USD ($)		12 Months Ended
Sep. 29, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Compensation And Retirement Disclosure [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		$ 3,100,000	$ 2,900,000	$ 3,300,000

Annual maximum contribution to participant 401k plan.

No definition available.

Name:	mstr_AnnualMaximumContributionToParticipant401kPlan
Namespace Prefix:	mstr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

No definition available.

Name:	us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount of discretionary contributions made by an employer to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Percentage employer matches of the employee's percentage contribution matched.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Indicates location of employer sponsoring defined contribution plan designed to provide retirement benefits.

No definition available.

Name:	us-gaap_DefinedContributionPlanSponsorLocationExtensibleList
Namespace Prefix:	us-gaap_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	duration

Indicates tax status of defined contribution plan designed to provide retirement benefits.

No definition available.

Name:	us-gaap_DefinedContributionPlanTaxStatusExtensibleList
Namespace Prefix:	us-gaap_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	duration