1001 - Document - Cover link:presentationLink link:definitionLink link:calculationLink 1002 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:definitionLink link:calculationLink 1003 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) link:presentationLink link:definitionLink link:calculationLink 1004 - Statement - Condensed Consolidated Statements of Operations link:presentationLink link:definitionLink link:calculationLink 1005 - Statement - Condensed Consolidated Statements of Operations (parenthetical) link:presentationLink link:definitionLink link:calculationLink 1006 - Statement - Condensed Consolidated Statements of Stockholders'/Member's Equity link:presentationLink link:definitionLink link:calculationLink 1007 - Statement - Condensed Consolidated Statements of Cash Flows link:presentationLink link:definitionLink link:calculationLink 999001 - Disclosure - Description of Business link:presentationLink link:definitionLink link:calculationLink 999002 - Disclosure - Basis of Presentation link:presentationLink link:definitionLink link:calculationLink 999003 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:definitionLink link:calculationLink 999004 - Disclosure - Revenue from Contracts with Customers link:presentationLink link:definitionLink link:calculationLink 999005 - Disclosure - Segment Information link:presentationLink link:definitionLink link:calculationLink 999006 - Disclosure - Intangible Assets link:presentationLink link:definitionLink link:calculationLink 999007 - Disclosure - Debt Obligations link:presentationLink link:definitionLink link:calculationLink 999008 - Disclosure - Income Taxes and Tax Receivable Agreement link:presentationLink link:definitionLink link:calculationLink 999009 - Disclosure - Stock-Based Compensation link:presentationLink link:definitionLink link:calculationLink 999010 - Disclosure - Stockholders'/Members' Equity link:presentationLink link:definitionLink link:calculationLink 999011 - Disclosure - Loss Per Share link:presentationLink link:definitionLink link:calculationLink 999012 - Disclosure - Commitments and Contingencies link:presentationLink link:definitionLink link:calculationLink 999013 - Disclosure - Related Party Transactions link:presentationLink link:definitionLink link:calculationLink 999014 - Disclosure - Business Combinations link:presentationLink link:definitionLink link:calculationLink 999015 - Disclosure - Details of Certain Accounts link:presentationLink link:definitionLink link:calculationLink 999016 - Disclosure - Subsequent Events link:presentationLink link:definitionLink link:calculationLink 999017 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:definitionLink link:calculationLink 999018 - Disclosure - Revenue from Contracts with Customers (Tables) link:presentationLink link:definitionLink link:calculationLink 999019 - Disclosure - Intangible Assets (Tables) link:presentationLink link:definitionLink link:calculationLink 999020 - Disclosure - Debt Obligations (Tables) link:presentationLink link:definitionLink link:calculationLink 999021 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:definitionLink link:calculationLink 999022 - Disclosure - Stockholders'/Members' Equity (Tables) link:presentationLink link:definitionLink link:calculationLink 999023 - Disclosure - Loss Per Share (Tables) link:presentationLink link:definitionLink link:calculationLink 999024 - Disclosure - Details of Certain Accounts (Tables) link:presentationLink link:definitionLink link:calculationLink 999025 - Disclosure - Description of Business - Additional information (Detail) link:presentationLink link:definitionLink link:calculationLink 999026 - Disclosure - Basis of Presentation - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 999027 - Disclosure - Summary of Significant Accounting Policies -Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 999028 - Disclosure - Revenue from Contracts with Customers - Summary of Company's revenue disaggregated by service type (Detail) link:presentationLink link:definitionLink link:calculationLink 999029 - Disclosure - Revenue from Contracts with Customers - Summary of Contract assets and liabilities consisted (Detail) link:presentationLink link:definitionLink link:calculationLink 999030 - Disclosure - Revenue from Contracts with Customers - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 999031 - Disclosure - Segment Information - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 999032 - Disclosure - Intangible Assets - Summary of the Company's intangible assets (Detail) link:presentationLink link:definitionLink link:calculationLink 999033 - Disclosure - Debt Obligations - Schedule of Debt Obligations (Detail) link:presentationLink link:definitionLink link:calculationLink 999034 - Disclosure - Debt Obligations - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 999035 - Disclosure - Income Taxes and Tax Receivable Agreement - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 999036 - Disclosure - Stock-Based Compensation - Summary of Share-Based Payment Award, Stock Options, Valuation Assumptions (Detail) link:presentationLink link:definitionLink link:calculationLink 999037 - Disclosure - Stock-Based Compensation - Summary of Share-Based Payment Arrangement, Stock Appreciation Right, Activity (Detail) link:presentationLink link:definitionLink link:calculationLink 999038 - Disclosure - Stock-Based Compensation - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 999039 - Disclosure - Stockholders'/Members' Equity - Summary of capitalization and voting rights of the Company's classes of stock (Detail) link:presentationLink link:definitionLink link:calculationLink 999040 - Disclosure - Stockholders'/Members' Equity - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 999041 - Disclosure - Loss Per Share - Summary of Earnings Per Share, Basic and Diluted (Detail) link:presentationLink link:definitionLink link:calculationLink 999042 - Disclosure - Loss Per Share - Summary of Antidilutive Securities Excluded from Computation of Earnings Per Share (Detail) link:presentationLink link:definitionLink link:calculationLink 999043 - Disclosure - Details of Certain Accounts - Summary of reconciliation of capitalized project development costs (Detail) link:presentationLink link:definitionLink link:calculationLink 999044 - Disclosure - Details of Certain Accounts - Summary of Prepaids and other current assets (Detail) link:presentationLink link:definitionLink link:calculationLink 999045 - Disclosure - Details of Certain Accounts - Summary of Property and equipment, net (Detail) link:presentationLink link:definitionLink link:calculationLink 999046 - Disclosure - Details of Certain Accounts - Summary of depreciation expense included in cost of revenue and selling, general and administrative expenses (Detail) link:presentationLink link:definitionLink link:calculationLink 999047 - Disclosure - Details of Certain Accounts - Summary of Accounts payable and accrued expenses (Detail) link:presentationLink link:definitionLink link:calculationLink 999048 - Disclosure - Details of Certain Accounts - Summary of Other long-term liabilities consisted (Detail) link:presentationLink link:definitionLink link:calculationLink 999049 - Disclosure - Related Party Transactions - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 999050 - Disclosure - Business Combinations - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 999051 - Disclosure - Subsequent Events - Additional information (Detail) link:presentationLink link:definitionLink link:calculationLink Cover [Abstract] Document Information [Table] Entity Addresses, Address Type [Axis] Address Type [Domain] Document Information [Line Items] Document Type Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line Two Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Central Index Key Amendment Flag Document Quarterly Report Document Transition Report Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Entity File Number Current Fiscal Year End Date Entity Current Reporting Status Entity Shell Company Title of 12(b) Security Trading Symbol Security Exchange Name Entity Common Stock, Shares Outstanding Entity Interactive Data Current Class of Stock [Axis] Class of Stock [Domain] Common Class A [Member] Class A Common Stock Common Class B [Member] Class B Common Stock Statement of Financial Position [Abstract] Statement [Table] Statement [Line Items] Assets [Abstract] ASSETS Cash and Cash Equivalent Cash and cash equivalents Accounts Receivable, after Allowance for Credit Loss, Current Accounts receivable, net Contract with Customer, Asset, after Allowance for Credit Loss, Current Contract assets Total contract assets Capitalized Project Development Costs Net Current Capitalized project development costs Capitalized project development costs, at beginning of period Capitalized project development costs, at end of period Capitalized Project Development Costs Net Current. Prepaid Expense and Other Assets, Current Prepaid and other current assets Total prepaids and other current assets Assets, Current Total current assets Property, Plant and Equipment, Net Property and equipment, net Property and equipment, net of accumulated depreciation Operating Lease, Right-of-Use Asset Operating lease right-of-use assets Goodwill Goodwill Intangible Assets, Net (Excluding Goodwill) Intangible assets, net Other Assets, Noncurrent Other long-term assets Assets Total assets Deferred Income Tax Assets, Net Deferred tax assets LIABILITIES AND STOCKHOLDERS MEMBERS EQUITY [Abstract] LIABILITIES AND STOCKHOLDERS'/MEMBERS' EQUITY Accounts Payable and Accrued Liabilities, Current Accounts payable and accrued expenses Total accounts payable and accrued expenses Contract with Customer, Liability, Current Contract liabilities Total contract liabilities Equipment Financing Obligation Current Current portion of equipment financing Equipment Financing Obligation Current. Lease Liabilities Current Current portion of lease liabilities Lease Liabilities Current. Long-Term Debt, Current Maturities Current portion of long-term debt Current portion of long-term debt, net Liabilities, Current Total current liabilities Long-Term Debt, Excluding Current Maturities Term debt, long term Long-term debt, net Equipment Financing Obligation Noncurrent Equipment financing, long-term Equipment Financing Obligation Noncurrent. Lease Liabilities Noncurrent Lease liabilities, long-term Lease Liabilities Noncurrent. Other Liabilities, Noncurrent Other long-term liabilities Total other long-term liabilities Liabilities Total liabilities Tax Receivable Agreement Tax receivable agreement Tax receivable agreement. Equity, Attributable to Parent [Abstract] Stockholders' equity: Equity, Attributable to Noncontrolling Interest Non-controlling interest Equity, Attributable to Parent Total stockholders' equity to SOLV Energy, Inc. Liabilities and Equity Total liabilities and stockholders'/member's equity Common Stock, Value, Issued Common stock Retained Earnings (Accumulated Deficit) Accumulated deficit Additional Paid in Capital Additional paid-in capital Equity, Including Portion Attributable to Noncontrolling Interest Total members'/stockholders' equity Beginning balance Ending balance Commitments and Contingencies Commitments and Contingencies - See Note 12 Members' Equity [Abstract] Member's equity: Limited Liability Company (LLC) Members' Equity, Including Portion Attributable to Noncontrolling Interest Total member's equity Beginning balance Ending balance Common Stock, Par or Stated Value Per Share Common stock, par or stated value per share Common Stock, Shares Authorized Common stock, shares authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares, issued Common Stock, Shares, Outstanding Common stock, shares, outstanding Income Statement [Abstract] Revenues Revenue Cost of Revenue Cost of revenue Gross Profit Gross profit Selling, General and Administrative Expense Selling, general and administrative expenses (including non-cash compensation expense of $59,560 and $712 for the three months ended March 31, 2026 and 2025, respectively) Depreciation, Depletion and Amortization, Nonproduction Amortization expense Operating Expenses Total operating expenses Operating Income (Loss) Operating income (loss) Gain (Loss) on Extinguishment of Debt Loss on debt extinguishment Gain (Loss) on Extinguishment of Debt Interest Expense, Nonoperating Interest expense Investment Income, Interest Interest income Other Nonoperating Income (Expense) Other (income) loss, net Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Loss before income taxes Income Tax Expense (Benefit) Income tax expense Effective Tax Rate Net Income (Loss) Attributable to Noncontrolling Interest Less: net income (loss) attributable to non-controlling interests and LLC members prior to IPO Less: Net (loss) income attributable to non-controlling interests and LLC members prior to IPO Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Net income (loss) Net (loss) income Net loss attributable to SOLV Energy, Inc. Net (loss) income attributable to SOLV Energy, Inc., basic and diluted Earnings Per Share [Abstract] Net loss per share: Earnings Per Share, Basic Net loss per share, Basic Net (loss) income per share, basic Earnings Per Share, Diluted Net loss per share, Diluted Net (loss) income per share, diluted Weighted Average Number of Shares Outstanding, Basic Weighted average shares outstanding, Basic Weighted average shares of common stock outstanding, basic Weighted Average Number of Shares Outstanding, Diluted Weighted average shares outstanding, Diluted Weighted averages shares of common stock, diluted Non Cash Compensation Expense Non-cash compensation expense Non cash compensation expense. Statement of Stockholders' Equity [Abstract] Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Compensation expense Contributions From Noncontrolling Interests Contribution from NCI Contributions from non-controlling interests. Dividends, Common Stock Distributions Stockholders Equity Impact Of Transactions Shares Issued Impact of the Transactions, shares Stockholders equity impact of transactions shares Issued. Stockholders Equity Impact Of Transactions Impact of the Transactions Stockholders Equity Impact Of Transactions Stock Issued During Period, Shares, New Issues Issuance of Class A Common Stock in IPO, net of issuance costs, shares Stock Issued During Period, Value, New Issues Issuance of Class A Common Stock in IPO, net of issuance costs Adjustments To Additional Paid In Capital Deferred Tax Asset Establishment of deferred tax asset from IPO and Transactions Adjustments to additional paid in capital deferred tax asset Adjustments to additional paid in capital deferred tax asset. Adjustments To Additional Paid In Capital Equity Based Compensation Equity based compensation subsequent to the Transactions and IPO Adjustments to additional paid in capital equity based compensation. Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Net income subsequent to the Transactions and IPO Shares, Outstanding Ending balance, shares Distributions Subsequent To The Transactions And IPO Distributions subsequent to the transactions and IPO Distributions subsequent to the transactions and IPO. Net Income Prior To The Transactions And IPO Net income prior to the transactions and IPO Net income prior to the transactions and IPO. Stock Forfeited During Period Value Forfeiture of Class B common stock and LLC Units Stock forfeited during period shares Equity Components [Axis] Equity Component [Domain] Noncontrolling Interest [Member] Non- Controlling Interests [Member] Retained Earnings [Member] Accumulated Deficit [Member] Member Units [Member] Member's Equity [Member] Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Parent [Member] Stockholders' Equity Common Stock [Member] Legal Entity [Axis] Entity [Domain] SOLV Energy Holdings LLC [Member] Statement of Cash Flows [Abstract] Consolidated Statements of Cash Flows Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Cash flows from operating activities: Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Net loss Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Adjustments to reconcile net loss to net cash provided by operating activities Depreciation, Depletion and Amortization Depreciation and amortization Share-Based Payment Arrangement, Noncash Expense Non-cash compensation expense Gain (Loss) on Extinguishment of Debt, before Debt Issuance Cost Writeoff Loss on extinguishment of debt (non-cash portion) Project Development Costs Written Off Write off of project development costs Project Development Costs Written Off. Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Net cash provided by operating activities Other Noncash Income (Expense) Other Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital Change in operating assets and liabilities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Cash flows from investing activities: Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Payments to Acquire Businesses and Interest in Affiliates Cash paid for acquisitions, net of cash acquired Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Net cash used in investing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Cash flows from financing activities: Proceeds from Short-Term Debt Proceeds on debt Finance Lease, Principal Payments Payments for finance leases Proceeds From Equipment Financing Proceeds on equipment financing Proceeds From Equipment Financing. Payments to Equipment Financing Payments on equipment financing Payments to Equipment Financing. Payments of Offering Costs Payment of offering costs Payments of Offering Costs. Payments of Ordinary Dividends, Common Stock Distributions to members of SOLV Energy Holdings LLC Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net cash used in financing activities Proceeds from Issuance Initial Public Offering Issuance of Class A common stock in IPO, net of underwriting discount Proceeds from issuance initial public offering Repayments of Long-Term Debt Repayment of term debt Payments of Debt Issuance Costs Payment of debt issuance costs Payments Of Deferred Acquisition Consideration Payment of deferred acquisition consideration Payments of deferred acquisition consideration. Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Supplemental Cash Flow Information [Abstract] Supplemental cash flow information Income Taxes Paid, Net Income taxes paid Interest Paid, Excluding Capitalized Interest, Operating Activity Interest paid Supplemental Disclosure Of Non Cash Fnancing Activities [Abstract] Supplemental disclosure of non-cash financing activities: Deferred Offering Costs Recorded In Accounts Payable Non Cash Financing Activity Deferred offering costs in accounts payable Deferred offering costs recorded in accounts payable non cash financing activity. Deferred Offering Costs Reclassified to Additional Paid In Capital Deferred offering costs reclassified to APIC Deferred offering costs reclassified to additional paid in capital. Nature Of Operations [Abstract] Nature of Operations [Table] Nature of Operations [Line Items] Nature of Operations [Text Block] Description of Business Organization, Consolidation and Presentation of Financial Statements [Abstract] Nature of Operation, Product Information, Concentration of Risk [Table] Product Information [Line Items] Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Basis of Presentation Accounting Policies [Abstract] Summary of Significant Accounting Policies Accounting Policies [Table] Summary of Significant Accounting Policies [Line Items] Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Revenue from Contract with Customer [Abstract] Disaggregation of Revenue [Table] Disaggregation of Revenue [Line Items] Revenue from Contract with Customer [Text Block] Revenue from Contracts with Customers Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Segment Reporting Information [Line Items] Segment Reporting Disclosure [Text Block] Segment Information Intangible Assets [Abstract] Intangible Assets Goodwill and Other Intangible Assets [Table] Goodwill and Other Intangible Assets [Line Items] Intangible Assets Disclosure [Text Block] Intangible Assets Debt Disclosure [Abstract] Schedule of Debt [Table] Schedule of Debt [Line Items] Debt Disclosure [Text Block] Debt Obligations Income Tax Disclosure [Abstract] Income Tax Disclosure [Text Block] Income Taxes and Tax Receivable Agreement Share-Based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Text Block] Stock-Based Compensation Stockholders' Equity Note [Abstract] Equity [Text Block] Stockholders'/Members' Equity Earnings Per Share [Text Block] Loss Per Share Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Related Party Transactions [Abstract] Related Party Transaction [Table] Related Party Transactions [Line Items] Related Party Transactions Disclosure [Text Block] Related Party Transactions Business Combination [Abstract] Business Combination [Table] Business Combination [Line Items] Business Combination [Text Block] Business Combinations Details of Certain Accounts [Abstract] Details of Certain Accounts [Table] Details of Certain Accounts [Line Items] Details of Certain Accounts [Text Block] Details of Certain Accounts Details of certain account. Subsequent Events [Abstract] Subsequent Event [Table] Subsequent Event [Line Items] Subsequent Events [Text Block] Subsequent Events Use of Estimates, Policy [Policy Text Block] Use of Estimates Income Tax, Policy [Policy Text Block] Income Taxes Share-Based Payment Arrangement [Policy Text Block] Stock-Based Compensation New Accounting Pronouncements, Policy [Policy Text Block] New Accounting Pronouncements Not Yet Adopted Earnings Per Share, Policy [Policy Text Block] Earnings (Loss) per Share Tax Receivable Agreement [Policy Text Block] Tax Receivable Agreement Tax receivable agreement. Disaggregation of Revenue [Table Text Block] Summary of Company's revenue disaggregated by service type Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Summary of Contract assets and liabilities consisted Schedule of Finite-Lived Intangible Assets [Table Text Block] Summary of the Company's intangible assets Schedule of Debt [Table Text Block] Summary of Debt Obligations Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Summary of Share-Based Payment Award, Stock Options, Valuation Assumptions Share-Based Payment Arrangement, Stock Appreciation Right, Activity [Table Text Block] Summary of Share-Based Payment Arrangement, Stock Appreciation Right, Activity Schedule Of Capitalization And Voting Rights Of Company Classes Of Stock Table Text Block Summary of capitalization and voting rights of the Company's classes of stock Schedule Of Capitalization And Voting Rights Of Company Classes Of Stock Table Text Block Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Summary of Earnings Per Share, Basic and Diluted Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Summary of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of reconciliation of capitalized project development costs [Table Text Block] Summary of reconciliation of capitalized project development costs Schedule of reconciliation of capitalized project development costs. Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Summary of Prepaids and other current assets Property, Plant and Equipment [Table Text Block] Summary of Property and equipment, net Schedule of depreciation expense included in cost of revenue and selling, general and administrative expenses Net [Table Text Block] Summary of depreciation expense included in cost of revenue and selling, general and administrative expenses Schedule of depreciation expense included in cost of revenue and selling, general and administrative expenses net. Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Summary of Accounts payable and accrued expenses Other Noncurrent Liabilities [Table Text Block] Summary of Other long-term liabilities consisted Collaborative Arrangement and Arrangement Other than Collaborative [Table] Sale of Stock [Axis] Sale of Stock [Domain] IPO [Member] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Shares, Issued Shares, issued Sale of Stock, Number of Shares Issued in Transaction Sale of Stock, number of shares issued in transaction Equity Method Investment Units Purchased Equity method investment units purchased Equity Method Investment Units Purchased Basis of Presentation [Table] Basis of Presentation [Line Items] Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest Ownership interest Ownership [Axis] Ownership [Domain] Tax Receivable Agreement Benefit Sharing Percentage Tax receivable agreement benefit sharing percentage Tax receivable agreement benefit sharing percentage. Product and Service [Axis] Product and Service [Domain] New Construction [Member] Existing infrastructure [Member] Other [Member] Revenue from Contract with Customer, Excluding Assessed Tax Revenue from Contract with Customer, Excluding Assessed Tax Percentage Of Revenue Percentage Of Revenue Percentage of revenue. Contract with Customer, Asset, Reclassified to Receivable Unbilled and retention receivables Provision For Project Losses Provision for project losses Provision for project losses. Deferred Income, Revenue Recognized Deferred revenue Contract with Customer, Liability, Revenue Recognized Company revenue Contract with Customer, Performance Obligation Satisfied in Previous Period Contract with Customer, Performance Obligation Satisfied in Previous Period Revenue, Remaining Performance Obligation, Amount Remaining performance obligations Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Statistical Measurement [Axis] Statistical Measurement [Domain] Minimum [Member] Maximum [Member] Number of Reportable Segments Number of Reportable Segments Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description Number of Operating Segments Number of Operating Segments Consolidation Items [Axis] Consolidation Items [Domain] Operating Segments [Member] Intangible Asset, Finite-Lived [Table] Intangible Asset, Acquired, Finite-Lived [Line Items] Finite-Lived Intangible Assets, Remaining Amortization Period Remaining Weighted Average Amortization Period in Years Finite-Lived Intangible Assets, Gross Intangible Assets Finite-Lived Intangible Assets, Accumulated Amortization Accumulated Amortization Finite-Lived Intangible Assets, Net Intangible Assets, Net Indefinite-Lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets, Major Class Name [Domain] Trade Names [Member] Trade Name Customer Relationships [Member] Customer Relationships Backlog [Member] Backlog Patents [Member] Patents/Know-How Long-Term Debt Long-term debt Long Term Debt Non Current Unamortized Issuance Costs Less: unamortized issuance costs Long term debt non current unamortized issuance costs. Long Term Debt Current Gross Current portion of long-term debt Long term debt current gross. Long Term Debt Current Unamortized Issuance Costs Less: unamortized issuance costs Long term debt current unamortized issuance costs. Line of Credit Facility [Table] Line of Credit Facility [Line Items] Extinguishment of Debt, Amount Debt Instrument, Unamortized Discount (Premium), Net Debt Instrument Prepayment Penalty Debt Instrument Prepayment Penalty. Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Interest Rate at Period End Line of Credit Facility, Commitment Fee Percentage Line of Credit Facility, Fair Value of Amount Outstanding Unamortized Deferred Financing Costs Unamortized Deferred Financing Costs Unamortized Deferred Financing Costs. Payments of Financing Costs Lender Name [Axis] Line of Credit Facility, Lender [Domain] Credit Facility [Axis] Credit Facility [Domain] Revolving Credit Facility [Member] Letter of Credit [Member] New Revolver [Member] Variable Rate [Axis] Variable Rate [Domain] Base Rate [Member] Secured Overnight Financing Rate (SOFR) [Member] Debt Instrument [Axis] Debt Instrument, Name [Domain] Agreement [Axis] Agreement [Domain] SOLV Energy Credit Agreement [Member] Business Combination [Axis] Business Combination [Domain] Variable Interest Rate [Axis] Variable Interest Rate [Domain] Deferred Tax and Other Liabilities, Noncurrent Deferred tax liability Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Effective income tax rate reconciliation, at federal statutory income tax rate, percent Temporary Difference Between Book And Tax Basis Temporary difference between book and tax basis Temporary difference between book and tax basis. Tax Benefits From Future Deductions Tax benefits from future deductions Tax benefits from future deductions. Deferred Tax Assets, Operating Loss Carryforwards Deferred tax assets, operating loss carryforwards Liability For Tax Receivable Agreement Liability for tax receivable agreement Liability for tax receivable agreement. Percentage Of Tax Receivable Agreement With Continuing Equity Owners Percentage of tax receivable agreement with continuing equity owners Percentage of tax receivable agreement with continuing equity owners. Share Based Compensation Arrangement By Share Based Payment Award Fair Value Stock Options Grants In Period Gross Fair value of stock option Share based compensation arrangement by share based payment award fair value stock options grants in period gross. Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Expected life (years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Volatility Schedule Of Share Based Compensation Stock Appreciation Rights Award Activity [Table] Schedule of share based compensation stock appreciation rights award activity. Time Vested [Member] Time Vested [Member] Time Vested Performance Vested [Member] Performance Vested [Member] Performance Vested MOIC Vested [Member] MOIC Vested [Member] MOIC Vested Additional C Units [Member] Additional C Units [Member] Schedule Of Share Based Compensation Stock Appreciation Rights Award Activity [Line Items] Schedule Of Share Based Compensation Stock Appreciation Rights Award Activity. Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Outstanding Balance, Units Outstanding Balance, Units Share-based compensation arrangement by share-based payment award, equity instruments other than options, nonvested, number Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Outstanding Balance, Price Outstanding Balance, Price Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Effect Of Reorganisation Transactions Effect of Reorganization Transactions and IPO, Units Share based compensation arrangement by share based payment award equity instruments other than options effect of reorganisation transactions. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Effect Of Reorganisation In Period Fair Value Effect of Reorganization Transactions and IPO, Price Share based compensation arrangement by share based payment award equity instruments other than options effect of reorganisation in period fair value. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exchange In Period Exchange of SOLV Energy Holdings LLC Equity Awards Share based compensation arrangement by share based payment award equity instruments other than options exchange in period. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exchange In Period Fair Value Exchange of SOLV Energy Holdings LLC Equity Awards, Price Share based compensation arrangement by share based payment award equity instruments other than options exchange in period fair value. Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Forfeited in Period Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Forfeited in Period, Price Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Vested in Period Share-based compensation arrangement by share-based payment award, equity instruments other than options, vested in period Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Vested in Period, Price StockBased Compensation [Table] Stock-Based Compensation Common Class C [Member] Plan Name [Axis] Plan Name [Domain] Two Thousand and Twenty Six Plan [Member] 2026 Plan [Member] StockBased Compensation [Line Items] Stock-Based Compensation Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Share-based compensation arrangement by share-based payment award, options, exercises in period Percentage Of Common Stock Outstanding Percentage of common stock outstanding Percentage Of Common Stock Outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Share-based compensation arrangement by share-based payment award, options, grants in period, gross Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Share-based compensation arrangement by share-based payment award, options, grants in period, weighted average grant date fair value Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Stock issued during period, shares, restricted stock award, forfeited Share-Based Compensation Arrangement by Share-Based Payment Award, Option, Nonvested, Weighted Average Exercise Price Share-based compensation arrangement by share-based payment award, option, nonvested, weighted average exercise price Employee Benefits and Share-Based Compensation Employee benefits and share-based compensation UnamortizedNon CashCompensation Cost Unamortizednon cashcompensation cost Unamortized Non Cash Compensation Cost Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Share-based compensation arrangement by share-based payment award, options, outstanding, weighted average remaining contractual term Resticted Stock Based Compensation Payable Resticted stock based compensation payable Resticted Stock Based Compensation Payable UnrecognizedNon CashCompensation Expense unrecognizednon cashcompensation expense Unrecognized Non Cash Compensation Expense One Time Incremental Non Cash Compensation One time incremental non cash compensation One Time Incremental Non Cash Compensation Restricted Stock [Member] Restricted Stock Awards [Member] Restricted Stock Units (RSUs) [Member] Schedule Of Capitalization And Voting Rights Of Company Classes Of Stock [Abstract] Schedule Of Capitalization And Voting Rights Of Company Classes Of Stock. Schedule Of Capitalization And Voting Rights Of Company Classes Of Stock [Table] Schedule Of Capitalization And Voting Rights Of Company Classes Of Stock Table Preferred Stock [Member] Schedule Of Capitalization And Voting Rights Of Company Classes Of Stock [Line Items] Schedule Of Capitalization And Voting Rights Of Company Classes Of Stock. Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Shares Outstanding Preferred stock, shares outstanding. Capital Unit Held Capital Unit Held. Percentage Of Ownership Interest Held In Non Controlling Interest Percentage Of Ownership Interest Held In Non Controlling Interest. Earnings Per Share, Basic [Abstract] Basic net (loss) income per share: Earnings Per Share, Diluted [Abstract] Diluted net (loss) income per share: Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Vested shares [Member] Vested LLC Interests Attributable to Continuing Equity Owners [Member] Vested shares. Unvested shares [Member] Unvested LLC Interests Attributable to SOLV Energy Management Holdings LP [Member] Unvested shares. Stock options [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive securities excluded from computation of earnings per share, amount Schedule of reconciliation of capitalized project development costs [Abstract] Schedule of reconciliation of capitalized project development costs [Table] Schedule of reconciliation of capitalized project development costs [Line Items] Costs Capitalized Costs capitalized during the year, net of refunds Costs capitalized. Costs expensed from sale of projects Costs expensed from sale of projects during the year Costs expensed from sale of projects. Impaired costs written off Impaired costs written off during the year Impaired costs written off. Prepaid Expense and Other Assets, Current [Abstract] Prepaid Expense And Other Assets Current [Table] Prepaid Expense And Other Assets Current [Line Items] Inventory, Raw Materials, Gross Materials inventory Prepaid Insurance Prepaid insurance Other Assets, Current Other Nontrade Receivables Non-trade receivables Rebates receivable Rebates receivable Rebates receivable Supplier deposits Supplier deposits. Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Table] Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Domain] Machinery and Equipment [Member] Vehicles [Member] Vehicles under finance leases [Member] Furniture and Fixtures [Member] Leaseholds and Leasehold Improvements [Member] Computer Equipment [Member] Construction in Progress [Member] Land and Building [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment, Gross Property, Plant and Equipment, Gross Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: Accumulated depreciation Schedule of depreciation expense included in cost of revenue and selling, general and administrative expenses [Abstract] Schedule of depreciation expense included in cost of revenue and selling, general and administrative expenses Net [Table] Schedule of depreciation expense included in cost of revenue and selling, general and administrative expenses Net [Line Items] depreciation expense included in cost of revenue Cost of revenue depreciation expense included in cost of revenue depreciation expense included in Selling, general and administrative expenses Selling, general and administrative expenses depreciation expense included in Selling, general and administrative expenses depreciation expense Total depreciation expense depreciation expense Accounts Payable and Accrued Liabilities, Current [Abstract] Schedule of Accounts Payable And Accrued Liabilities [Table] Schedule of Accounts Payable And Accrued Liabilities [Line Items] Accounts Payable, Trade, Current Vendor payables and accrued purchases Accrued Employee Benefits, Current Accrued compensation and benefits Restricted Unit Appreciation Plan liability Current Restricted Unit Appreciation Plan liability Restricted Unit Appreciation Plan liability Current. Taxes Payable, Current Indirect taxes payable Accrued Professional Fees, Current Accrued professional services Product Warranty Accrual, Current Accrued warranty Deferred acquisition consideration Deferred acquisition consideration Deferred acquisition consideration Accrued interest Accrued interest Accrued interest Other Liabilities, Noncurrent [Abstract] Schedule of Other Non current Liabilities [Table] Schedule of Other Non current Liabilities [Line Items] Warranty reserves Warranty reserves Warranty reserves Deferred Compensation Liability, Classified, Noncurrent Deferred compensation liability Deferred Revenue Deferred revenue Notes Payable Secured notes Annual Service Fee Expense Annual service fee expense Annual service fee expense. Related Party Transaction, Amounts of Transaction Related Party Transaction, Amounts of Transaction Related Party Transaction [Axis] Related Party Transaction [Domain] American Securities [Member] SDI [Member] Spartan [Member] Business Combination, Voting Equity Interest Acquired, Percentage Business Combination, Voting Equity Interest Acquired, Percentage Business Combination, Consideration Transferred Business combination, consideration transferred Payments to Acquire Businesses, Gross Payments to Acquire Businesses, Gross Business Combination Deferred Payment Business Combination Deferred Payment Businesscombinationdeferredpayment. Deferred Policy Acquisition Cost Adjustment Of Deferred Taxes With The Offset To Goodwill Adjustment of deferred taxes with the offset to goodwill Adjustment of deferred taxes with the offset to goodwill. Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Subsequent Event [Member] Business Combination, Consideration Transferred, Tangible and Intangible Assets, Excluding Cash Business combination, consideration transferred, tangible and intangible assets, excluding cash Roberson Waite Electric [Member] Roberson Waite Electric