v3.26.3
Document and Entity Information
Sep. 30, 2026
Aug. 31, 2026
Document And Entity Information [Line Items]    
Entity Registrant Name STRATEGY INC  
Amendment Flag false  
Entity Central Index Key 0001050446  
Document Type 8-K  
Document Period End Date Sep. 30, 2026  
Entity Incorporation State Country Code DE  
Entity File Number 001-42509  
Entity Tax Identification Number 51-0323571  
Entity Address, Address Line One 1850 Towers Crescent Plaza  
Entity Address, City or Town Tysons Corner  
Entity Address, State or Province VA  
Entity Address, Postal Zip Code 22182  
City Area Code (703)  
Local Phone Number 848-8600  
Written Communications false  
Soliciting Material true  
Pre Commencement Tender Offer false  
Pre Commencement Issuer Tender Offer false  
Entity Emerging Growth Company false  
M10.00 Series A Perpetual Strife Preferred Stock 0.001 Par Value Per Share [Member]    
Document And Entity Information [Line Items]    
Security 12b Title   10.00% Series A Perpetual Strife Preferred Stock, $0.001 par value per share
Trading Symbol   STRF
Security Exchange Name   NASDAQ
M10.00 Series A Perpetual Stride Preferred Stock 0.001 Par Value Per Share [Member]    
Document And Entity Information [Line Items]    
Security 12b Title   10.00% Series A Perpetual Stride Preferred Stock, $0.001 par value per share
Trading Symbol   STRD
Security Exchange Name   NASDAQ
Variable Rate Series a Perpetual Stretch Preferred Stock, 0.001 Par Value Per Share [Member]    
Document And Entity Information [Line Items]    
Security 12b Title   Variable Rate Series A Perpetual Stretch Preferred Stock, $0.001 par value per share
Trading Symbol   STRC
Security Exchange Name   NASDAQ
M 8.00 Series A Perpetual Strike Preferred Stock 0.001 Par Value Per Share [Member]    
Document And Entity Information [Line Items]    
Security 12b Title   8.00% Series A Perpetual Strike Preferred Stock, $0.001 par value per share
Trading Symbol   STRK
Security Exchange Name   NASDAQ
Common Stock [Member]    
Document And Entity Information [Line Items]    
Security 12b Title   Class A common stock, $0.001 par value per share
Trading Symbol   MSTR
Security Exchange Name   NASDAQ