v3.26.1
Loss Per Share - Summary of Earnings Per Share, Basic and Diluted (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 2 Months Ended 3 Months Ended
Mar. 31, 2026
Mar. 31, 2026
Mar. 31, 2025
Basic net (loss) income per share:      
Net (loss) income   $ (27,414) $ (502)
Less: Net (loss) income attributable to non-controlling interests and LLC members prior to IPO   (4,056) 212
Net (loss) income attributable to SOLV Energy, Inc., basic and diluted   $ (23,358) (714)
Weighted average shares of common stock outstanding, basic 115,348,571 115,348,571  
Net (loss) income per share, basic $ (0.2) $ (0.2)  
Diluted net (loss) income per share:      
Net (loss) income attributable to SOLV Energy, Inc., basic and diluted   $ (23,358) $ (714)
Weighted average shares of common stock outstanding, basic 115,348,571 115,348,571  
Weighted averages shares of common stock, diluted 115,348,571 115,348,571  
Net (loss) income per share, diluted $ (0.2) $ (0.2)