At-the-Market Equity Offerings - Additional Information (Details) - At The Market Offering $ in Billions	6 Months Ended
Jun. 30, 2025 USD ($)
At Market Equity Offerings [Line Items]
Amount of purchase	$ 2.1
Common Stock Shares Remaining Available For Issuance And Sale Value	21.0
Remaining available for issuance and sale under such sales agreement	$ 21.0

Common stock shares remaining available for issuance and sale value.

No definition available.

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Namespace Prefix:	mstr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant