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Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Payment of debt issuance costs Payments of Debt Issuance Costs Diluted net income (loss) per share attributable to common stockholders of Unity Software Inc. 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(USD per share) Earnings Per Share, Diluted Entity Current Reporting Status Entity Current Reporting Status Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Expected volatility, maximum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum 2026, 2027 and 2030 Notes 2% Convertible Senior Notes Due 2027, 0% Convertible Senior Notes Due 2026 And 0% Convertible Senior Notes Due 2030 [Member] 2% Convertible Senior Notes Due 2027, 0% Convertible Senior Notes Due 2026 And 0% Convertible Senior Notes Due 2030 Total Shareholder Return Amount Total Shareholder Return Amount Prepaid expenses and other Increase (Decrease) in Prepaid Expense and Other Assets Amortization expense Intangible Asset, Finite-Lived, Amortization Expense Ownership [Domain] Ownership [Domain] Research and development Research and Development Expense Adjustments to reconcile net 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Remaining Contractual Term (In Years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Schedule of Components of Lease Expense Lease, Cost [Table Text Block] Principal – 2027 Notes 2% Convertible Senior Notes Due 2027 [Member] 2% Convertible Senior Notes Due 2027 Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Operating income (loss) Decrease in operating income Operating Income (Loss) Revenue, remaining performance obligation, amount Revenue, Remaining Performance Obligation, Amount Current Fiscal Year End Date Current Fiscal Year End Date Equity interest purchase Equity Interest Purchase Equity Interest Purchase Accrued expenses and other Disposal Group, Including Discontinued Operation, Accrued Liabilities Create Solutions Create Solutions [Member] Create Solutions Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Leases not yet commenced Unrecorded Unconditional Purchase Obligation Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Weighted-Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Operating lease, right-of-use asset, statement of financial position [extensible enumeration] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Restructuring costs Restructuring Costs Common stock, issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Investment in Unity China Equity Method Investments and Joint Ventures Disclosure [Text Block] Thereafter Contractual Obligation, To Be Paid, After Year Four Contractual Obligation, To Be Paid, After Year Four Equity Components [Axis] Equity Components [Axis] Aggregate repurchase price Debt Instrument, Repurchase Amount Accounts receivable, net Increase (Decrease) in Accounts Receivable Product and Service [Domain] Product and Service [Domain] Capitalized contract costs Capitalized Contract Cost, Net Cash paid for income taxes, net of refunds Income Tax Paid, after Refund Received Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Accrued employee separation Restructuring Reserve, Current Entity Interactive Data Current Entity Interactive Data Current Net income (loss) attributable to noncontrolling interest and redeemable noncontrolling interests Net income (loss) attributable to noncontrolling interest and redeemable noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business Restricted cash and cash equivalents: Restricted Cash [Abstract] Comprehensive income (loss) attributable to Unity Software Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Grant-date fair value per share (USD per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Grant Date Fair Value Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Grant Date Fair Value Termination Date Trading Arrangement Termination Date Noncontrolling Interest [Table] Noncontrolling Interest [Table] Subsequent Events [Abstract] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other assets Other Assets, Noncurrent Document Type Document Type Repurchased principal amount Debt Instrument, Repurchased Face Amount Gain on repayment of convertible note Pre-tax gains Gain (Loss) on Extinguishment of Debt Fair Value as of Grant Date Award Grant Date Fair Value Repayments of convertible note Repayments of Convertible Debt Redemption price percentage Debt Instrument, Redemption Price, Percentage Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Impairment of intangible assets Intangible Asset, Excluding Goodwill, Impairment Loss Arrangement Duration Trading Arrangement Duration Subsequent Event [Line Items] Subsequent Event [Line Items] Statement of Stockholders' Equity [Abstract] Purchase commitments Purchase Obligation, Fiscal Year Maturity [Abstract] Local Phone Number Local Phone Number APAC Asia Pacific Excluding Greater China [Member] Asia Pacific Excluding Greater China Long-term deferred revenue Contract with Customer, Liability, Noncurrent Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Fair value of underlying common stock (USD per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Price Of Common Stock Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Price Of Common Stock Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Accretion for redeemable noncontrolling interests Temporary Equity, Accretion to Redemption Value, Adjustment Commitments and Contingencies (Note 7) Commitments and Contingencies Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Prepaid expenses and other Disposal Group, Including Discontinued Operation, Prepaid and Other Assets Long-term Purchase Commitment [Table] Long-Term Purchase Commitment [Table] Counterparty Name [Axis] Counterparty Name [Axis] Liabilities and stockholders' equity Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Award Type [Domain] Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Expected term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Operating lease term (up to) Lessee, Operating Lease, Term of Contract PEO Name PEO Name Geographical [Axis] Geographical [Axis] Total Lessee, Operating Lease Including Leases Not Yet Commenced, Liability, To Be Paid Lessee, Operating Lease Including Leases Not Yet Commenced, Liability, To Be Paid 2027‑2028 Lessee, Operating Lease Including Leases Not Yet Commenced, Liability, To Be Paid, Year One And Two Lessee, Operating Lease Including Leases Not Yet Commenced, Liability, To Be Paid, Year One And Two Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Exercised (USD per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Cash, cash equivalents, and restricted cash, beginning of period Cash, cash equivalents, and restricted cash, end of period Total cash, cash equivalents, and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Accounts payable Increase (Decrease) in Accounts Payable Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Total lease expense Lease, Cost Disposal Group Name [Axis] Disposal Group Name [Axis] ESPP Employee Stock [Member] Leases Lessee, Operating Leases [Text Block] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic net income (loss) per share attributable to common stockholders of Unity Software Inc. (Note 10) (USD per share) Increase in net loss / decrease in net income per share, basic (USD per share) Basic net income (loss) per share attributable to common stockholders of Unity Software Inc. (USD per share) Earnings Per Share, Basic Accretion for redeemable noncontrolling interests Temporary Equity, Accretion to Redemption Value Deferred revenue Contract with Customer, Liability, Current Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Number of common shares (in shares) Debt Instrument, Capped Call Transaction, Number Of Common Shares Debt Instrument, Capped Call Transaction, Number Of Common Shares Time deposits Bank Time Deposits [Member] Award Type [Axis] Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Accumulated deficit Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Purchase of capped calls Adjustments To Additional Paid In Capital, Purchase Of Capped Calls Adjustments To Additional Paid In Capital, Purchase Of Capped Calls Price-Vested Units Price-Vested Units [Member] Price-Vested Units Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Balance at beginning of period Balance at end of period Temporary Equity, Including Noncontrolling Interest Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Gain on sale Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Effect of Change in Accounting Estimate, Type [Axis] Effect of Change in Accounting Estimate, Type [Axis] Operating lease expense Operating Lease, Cost Employee Severance Employee Severance [Member] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Shares issued under the ESPP (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period Cover [Abstract] Stock options and PVOs Share-Based Payment Arrangement, Option And Price-Vested Options [Member] Share-Based Payment Arrangement, Option And Price-Vested Options Expected dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Noncontrolling Interest [Abstract] Foreign currency translation and foreign exchange adjustments for redeemable noncontrolling interests Temporary Equity, Foreign Currency Translation Adjustments Equity Awards Adjustments Equity Awards Adjustments [Member] Total Equity Investment Obligation Equity Investment Obligation Remainder of 2026 Purchase Obligation, to be Paid, Remainder of Fiscal Year Schedule of Principal and Unamortized Debt Issuance Costs and Other Material Features of Notes Convertible Debt [Table Text Block] Total liabilities and stockholders' equity Liabilities and Equity Variable lease expense Variable Lease, Cost Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Employee Stock Option Share-Based Payment Arrangement, Option [Member] Noncontrolling interest Equity, Attributable to Noncontrolling Interest Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Other long-term liabilities Increase (Decrease) in Other Noncurrent Liabilities Interest income and other income (expense), net Other Nonoperating Income (Expense) Unity Software Inc. Stockholders' Equity Parent [Member] Convertible notes (in shares) Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Name Awards Close in Time to MNPI Disclosures, Individual Name Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Strike price (USD per share) Debt Instrument, Capped Call Transaction, Strike Price Debt Instrument, Capped Call Transaction, Strike Price Foreign currency translation attributable to noncontrolling interest and redeemable noncontrolling interests Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Noncontrolling Interest Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Schedule of Changes in Redeemable Noncontrolling Interests Redeemable Noncontrolling Interest [Table Text Block] General and administrative General and Administrative Expense 2029‑2030 Equity Investment Obligation, To Be Paid, Year Three And Year Four Equity Investment Obligation, To Be Paid, Year Three And Year Four Remainder of 2026 Obligations, To Be Paid, Remainder Of Fiscal Year Obligations, To Be Paid, Remainder Of Fiscal Year Adjustment to Compensation: Adjustment to Compensation [Axis] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] 2029‑2030 Lessee, Operating Lease Including Leases Not Yet Commenced, Liability, To Be Paid, Year Three And Four Lessee, Operating Lease Including Leases Not Yet Commenced, Liability, To Be Paid, Year Three And Four Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Additional Paid-In Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Schedule of Basic and Diluted Net Income (Loss) Per Share Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table Text Block] Thereafter Lessee, Operating Lease Including Leases Not Yet Commenced, Liability, To Be Paid, After Year Four Lessee, Operating Lease Including Leases Not Yet Commenced, Liability, To Be Paid, After Year Four Name Trading Arrangement, Individual Name Convertible note principal and interest Contractual Obligation, Fiscal Year Maturity [Abstract] Cash and cash equivalents Cash and Cash Equivalent Schedule of Stock Option Activity Schedule of Stock Options Roll Forward [Table Text Block] Operating lease, liability, current, statement of financial position [extensible enumeration] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Company Selected Measure Amount Company Selected Measure Amount Investments, Debt and Equity Securities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Net income (loss) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Unrecognized tax benefits that would impact effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Current assets: Assets, Current [Abstract] Operating lease, weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Assets acquired under operating lease Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Vested (USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Provision for (benefit from) income taxes Income Tax Expense (Benefit) Net Income (loss) Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Cost of revenue Cost of Product and Service Sold Convertible notes Convertible Note [Member] Convertible Note Total Purchase Obligation Award Timing Method Award Timing Method [Text Block] Consolidation Consolidation, Policy [Policy Text Block] Increase in cash, cash equivalents, and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] 2029‑2030 Obligations, To Be Paid, Year Three And Four Obligations, To Be Paid, Year Three And Four Expected volatility, minimum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Weighted-average price per share issued (USD per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Per Share Weighted Average Price Of Shares Issued In Period Share-Based Compensation Arrangement By Share-Based Payment Award, Per Share Weighted Average Price Of Shares Issued In Period Net income (loss) attributable to Unity Software Inc. Increase in net loss / reduction in net income Net income (loss) attributable to Unity Software Inc. Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Balance Sheet Location [Axis] Location, Statement of Financial Position, Balance [Axis] Goodwill Disposal Group, Including Discontinued Operation, Goodwill Statement [Table] Statement [Table] Operating lease, liability, noncurrent, statement of financial position [extensible enumeration] Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Restatement Determination Date: Restatement Determination Date [Axis] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Capitalized contract cost, impairment loss Capitalized Contract Cost, Impairment Loss Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Other long-term liabilities Disposal Group, Including Discontinued Operation, Other Liabilities Third Party Investors Third Party Investors [Member] Third Party Investors Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Increase from forgone financing costs on dilutive convertible notes, net of tax Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities