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net Deferred Costs Adoption Date Trading Arrangement Adoption Date Fair Value Cash And Cash Equivalents, Unrealized Loss Position Cash And Cash Equivalents, Unrealized Loss Position Total stockholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Other assets Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent Restructuring Type [Axis] Restructuring Type [Axis] Assets Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Number of shares issued in combination (in shares) Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Insider Trading Policies 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Fair Value as of Grant Date Award Grant Date Fair Value Aggregate intrinsic value, unvested balance Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Schedule of Marketable Securities in an Unrealized Loss Position Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Goodwill [Table] Goodwill [Table] Change in Accounting Estimate [Table] Change in Accounting Estimate [Table] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Amount remaining of a stock repurchase plan authorized Share Repurchase Program, Remaining Authorized, Amount Deferred revenue Business Combination, Recognized Liability Assumed, Deferred Revenue, Current Schedule of Capitalization of Content Assets and Amortization Expense for Intangible Assets Schedule Of Capitalization Of Content Assets And Amortization Expense For Intangible Assets [Table Text Block] Schedule Of Capitalization Of Content Assets And Amortization Expense For Intangible Assets Arrangement Duration Trading Arrangement Duration Subsequent Event [Line Items] Subsequent Event [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Software and Website Development Software And Website Development [Member] Software And Website Development Fair Value Debt Securities, Available-for-Sale, Including Cash And Cash Equivalents Debt Securities, Available-for-Sale, Including Cash And Cash Equivalents Local Phone Number Local Phone Number Deferred revenue, non-current Contract with Customer, Liability, Noncurrent Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name 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] Aggregate intrinsic value, options vested Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Commitments and contingencies (Note 10) Commitments and Contingencies Gross Carrying Value Intangible Asset, Finite-Lived, before Accumulated Amortization Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Total property, equipment, and software Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] 2030 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four Amortization Amortization of Deferred Sales Commissions Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Award performance targets (percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Performance Targets, Percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Performance Targets, Percentage Business Combinations Business Combination [Policy Text Block] Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Number of shares, canceled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period Goodwill [Roll Forward] Goodwill [Roll Forward] Furniture and fixtures Furniture and Fixtures [Member] Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Enterprise Enterprise Segment [Member] Enterprise segment member. 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Payments for commissions Payments for Commissions PSUs outstanding (in shares) Share Based Compensation Arrangement By Share Based Payment Award PSUs Outstanding Share Based Compensation Arrangement By Share Based Payment Award PSUs Outstanding Assets Acquired Business Combination, Recognized Asset Acquired, Asset [Abstract] Vesting of restricted stock units, net of tax withholdings (in shares) Restricted Stock, Shares Issued Net of Shares for Tax Withholdings Payments for restructuring Payments for Restructuring Weighted-average exercise price, exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Revenue Recognition Revenue [Policy Text Block] 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 Schedule Of Finite Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] 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] BASIS OF PRESENTATION AND DESCRIPTION OF BUSINESS Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Subsequent Event [Table] Subsequent Event [Table] Other liabilities Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Gross Unrealized Losses Cash Equivalents And Debt Securities, Available-For-Sale, Unrealized Loss Position, Accumulated Loss Cash Equivalents And Debt Securities, Available-For-Sale, Unrealized Loss Position, Accumulated Loss 2028 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two Amortization of internal-use software Internal Use Software [Member] Internal use software member. Employee Stock Employee Stock [Member] Investment, Name [Domain] Investment, Name [Domain] LEASES Lessee, Operating Leases [Text Block] Net loss per share - basic (in dollars per share) Earnings Per Share, Basic Payments for repurchases of common stock Payments for Repurchase of Common Stock Deferred revenue, current Contract with Customer, Liability, Current Total current assets Assets, Current Statistical Measurement Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Degrees Degrees [Member] Degrees Capitalization Capitalized Deferred Commissions Capitalized Contract Acquisition Costs Time deposits Bank Time Deposits [Member] Cost of revenue Cost of revenue Cost of Revenue 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) Restructuring and Related Activities [Abstract] Product and Service [Axis] Product and Service [Axis] Restricted cash, non-current Restricted Cash, Noncurrent Subscription Subscription [Member] Subscription 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] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Marketable securities Fair Value Debt Securities, Available-for-Sale Employee Severance Employee Severance [Member] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Reclassification Reclassification, Comparability Adjustment [Policy Text Block] Rest of World Non-US [Member] Udemy Stock Options Common Stock Issued To Holders Of Udemy Stock Options [Member] Common Stock Issued To Holders Of Udemy Stock Options Equity Awards Adjustments Equity Awards Adjustments [Member] Common Stock Issued To Udemy Board Of Directors Restricted Stock Units Common Stock Issued To Udemy Board Of Directors Restricted Stock Units [Member] Common Stock Issued To Udemy Board Of Directors Restricted Stock Units Total liabilities and stockholders’ equity Liabilities and Equity Accelerated share-based compensation expense Share-Based Payment Arrangement, Accelerated Cost Stock Options Share-Based Payment Arrangement, Option [Member] Schedule Of Segment Reporting Information By Segment [Table] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Restructuring charges Restructuring Charges Related Party, Type [Domain] Related and Nonrelated Parties [Domain] Plan Name [Axis] Plan Name [Axis] Unsettled repurchases of common stock Unsettled Repurchases Of Common Stock Unsettled Repurchases Of Common Stock Number of shares, assumed in connection with merger (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Assumed in Connection with Merger Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Assumed in Connection with Merger Tabular List, Table Tabular List [Table Text Block] Vesting [Axis] Vesting [Axis] Additional paid-in capital Additional Paid in Capital Other (expense) income, net Other Nonoperating Income (Expense) 2029 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three Remainder of 2026 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Remainder of Fiscal Year 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] Aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Number of shares, forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period General and administrative General and Administrative Expense Property, Equipment and Software Property Equipment And Software [Member] Property equipment and software. Long-Lived Asset, Class [Domain] Long-Lived Asset, Class [Domain] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Schedule Of Property Plant And Equipment [Table] Property, Plant, and Equipment [Table] Preferred stock, $0.00001 par value—10.0 shares authorized and no shares issued and outstanding as of June 30, 2026 and December 31, 2025 Preferred Stock, Value, Issued 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 Purchases of property, equipment, and software Payments to Acquire Productive Assets Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] 2021 Employee Stock Purchase Plan Two Thousand Twenty One Employee Stock Purchase Plan [Member] Two thousand twenty one employee stock purchase plan member. Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Equity Awards Attributable To Post-Combination Services Equity Awards Attributable To Post-Combination Services [Member] Equity Awards Attributable To Post-Combination Services Total Assets, Fair Value Disclosure Name Measure Name Business Combination, Consideration Transferred, Equity Interest, Type [Domain] Business Combination, Consideration Transferred, Equity Interest, Type [Domain] INCOME TAXES Income Tax Disclosure [Text Block] Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Other Other Noncash Income (Expense) Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Estimated merger consideration Total Merger consideration Business Combination, Consideration Transferred Additional Paid-In Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Fair Value Debt Securities, Available-for-Sale, Unrealized Loss Position Merger and integration related costs Business Combination, Merger And Integration-Related Cost, Expense Business Combination, Merger And Integration-Related Cost, Expense Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent Company Selected Measure Amount Company Selected Measure Amount Number of shares, unvested beginning balance (in shares) Number of shares, unvested ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Depreciation and amortization Depreciation and amortization expense Depreciation, Depletion and Amortization Weighted-average remaining contractual term, options vested Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts and Financing Receivables [Table] Net loss Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Price per share of Coursera common stock (in dollars per share) Business Combination, Price Per Share Current assets: Assets, Current [Abstract] Revenue Business Combination, Pro Forma Information, Pro Forma Revenue Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Weighted-average grant date fair value, vested (in dollars 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 Income tax expense Income Tax Expense (Benefit) Latin America Latin America [Member] Purchase obligation Purchase Obligation Award Timing Method Award Timing Method [Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Net 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] Share-Based Payment Arrangement, Tranche Three Share-Based Payment Arrangement, Tranche Three [Member] Net loss Net Income (Loss) Attributable to Parent Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Statement [Table] Statement [Table] Segment Reconciling Items Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Share-Based Payment Arrangement, Tranche Two Share-Based Payment Arrangement, Tranche Two [Member] Restatement Determination Date: Restatement Determination Date [Axis] Merger-related personnel and severance costs Business Combination, Merger-Related Personnel and Severance Costs Business Combination, Merger-Related Personnel and Severance Costs Proceeds from exercise of stock options Proceeds from Stock Options Exercised Interest income, net Investment Income, Interest Unsettled repurchases of common stock Liability For Unsettled Common Stock Repurchases Liability For Unsettled Common Stock Repurchases Liabilities Assumed Business Combination, Recognized Liability Assumed, Liability [Abstract] Cash equivalents Cash Equivalents, Carrying Value Cash Equivalents, Carrying Value Schedule of Accounts Receivable, Net Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Content Sourcing Agreement Content Sourcing Agreement [Member] Content Sourcing Agreement Consumer Consumer Segment [Member] Consumer segment member. 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