Basic and Diluted Loss per Common Share - Computation of Basic and Diluted (Loss) Earnings per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Numerator - Basic and Diluted:
Net loss - Basic		$ (4,217,370)	$ (53,118)
Net loss - diluted		(4,217,370)	(53,118)
Dividends on preferred stock - Basic		(10,648)	0
Dividends on preferred stock - Diluted		(10,648)	0
Net loss attributable to common stockholders of Strategy		(4,228,018)	(53,118)
Net Income (Loss) Attributable to Parent, Diluted, Total		$ (4,228,018)	$ (53,118)
Denominator - Basic and Diluted:
Total weighted average shares of common stock outstanding - Basic		256,473	171,942
Total weighted average shares of common stock outstanding - Diluted		256,473	171,942
(Loss) earnings per share:
Basic loss per common share (1)	[1]	$ (16.49)	$ (0.31)
Diluted loss per common share (1)	[1]	$ (16.49)	$ (0.31)
Class A
Denominator - Basic and Diluted:
Total weighted average shares of common stock outstanding - Basic		236,833	152,302
Total weighted average shares of common stock outstanding - Diluted		236,833	152,302
Class B
Denominator - Basic and Diluted:
Total weighted average shares of common stock outstanding - Basic		19,640	19,640
Total weighted average shares of common stock outstanding - Diluted		19,640	19,640

[1] Basic and fully diluted loss per common share for class A and class B common stock are the same.