Proceeds from divestiture of businesses Proceeds from Divestiture of Businesses Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Revision of Prior Period [Axis] Revision of Prior Period [Axis] Accruals Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Award Timing Predetermined Award Timing Predetermined [Flag] Indefinite-lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets [Axis] Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Recently Adopted Accounting Pronouncements and Accounting Pronouncements Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Warrant and derivative liabilities Effective Income Tax Rate Reconciliation, Warrant And Derivative Liability, Percent Effective Income Tax Rate Reconciliation, Warrant And Derivative Liability, Percent Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis Fair Value, by Balance Sheet Grouping [Table Text Block] Research and development credit Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Revenue Recognition Revenue from Contract with Customer [Text Block] Accounts payable Increase (Decrease) in Accounts Payable, Trade Stock-based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost Stock, Class of Stock [Table] Stock, Class of Stock [Table] Debt instrument floor rate (as percent) Debt Instrument, Variable Rate Floor Represents the debt instrument floor rate. Total current provision / (benefit) Current Income Tax Expense (Benefit) Return to accrual Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount Adjustment to Compensation, Amount Adjustment to Compensation Amount Concentration risk (as percent) Concentration Risk, Percentage Unamortized debt discount and issuance costs Unamortized debt discount and issuance costs Remaining Capitalized Debt Discount / Issuance Costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Principles of Consolidation Consolidation, Policy [Policy Text Block] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Shares withheld for employee taxes and other Share-Based Payment Arrangement, Decrease For Tax Withholding Obligation And Other Share-Based Payment Arrangement, Decrease For Tax Withholding Obligation And Other Shares withheld for employee taxes and other (in shares) Share-Based Payment Arrangement, Shares Withheld For Tax Withholding Obligation And Other Share-Based Payment Arrangement, Shares Withheld For Tax Withholding Obligation And Other Federal Federal Income Tax Expense (Benefit), Continuing Operations Stock options Share-Based Payment Arrangement, Option [Member] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Cash and Cash Equivalents and Restricted Cash Cash and Cash Equivalents, Policy [Policy Text Block] Percent Effective Income Tax Rate Reconciliation, Percent [Abstract] Film costs Increase (Decrease) in Film Costs Antidilutive Securities [Axis] Antidilutive Securities [Axis] Impairment expense Asset Impairment Charges Total BuzzFeed, Inc. stockholders’ equity Equity, Attributable to Parent Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] New York NEW YORK Maximum percentage available to offset future taxable income Operating Loss Carryforward, Not Subject To Expiration, Maximum Percentage Available To Offset Future Taxable Income Operating Loss Carryforward, Not Subject To Expiration, Maximum Percentage Available To Offset Future Taxable Income Schedule of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Issuance of common stock in connection with at-the-market offering, net of issuance costs (in shares) Number of shares issued (in shares) Stock Issued During Period, Shares, New Issues Indefinite lived intangible asset derecognized Indefinite-Lived Intangible Assets, Written off Related to Sale of Business Unit Liabilities and Stockholders' Equity Liabilities and Equity [Abstract] State and Local Jurisdiction U.S. state and local State and Local Jurisdiction [Member] Cover [Abstract] Cover [Abstract] Held for Sale, Discontinued Operations, and Disposals Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Maximum Maximum [Member] Exercisable (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Weighted- Average Remaining Useful Lives (in years) Finite-Lived Intangible Asset, Useful Life Less: net income (loss) attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Pennsylvania PENNSYLVANIA Total Finite-Lived Intangible Assets, Net Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Asset-Backed Term Loan, From August 31, 2026 Until Second Anniversary Of Closing Date Asset-Backed Term Loan, From August 31, 2026 Until Second Anniversary Of Closing Date [Member] Asset-Backed Term Loan, From August 31, 2026 Until Second Anniversary Of Closing Date Capitalized Software Costs Internal Use Software, Policy [Policy Text Block] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Sale of stock, equity distribution agreement, maximum offering (in shares) Sale Of Stock, Equity Distribution Agreement, Maximum Offering, Shares Sale Of Stock, Equity Distribution Agreement, Maximum Offering, Shares Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Accrued deferred offering costs Noncash Accrued Deferred Offering Costs Noncash Accrued Deferred Offering Costs Executive producer fee waived Variable Interest Entity, Executive Producer Fee Waived As Purchase Consideration Variable Interest Entity, Executive Producer Fee Waived As Purchase Consideration Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Loss from continuing operations before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Second period, suspension from trading or the delisting of common stock (in days) Second Period, Suspension From Trading Or The Delisting Of Common Stock Second Period, Suspension From Trading Or The Delisting Of Common Stock U.S. state and local Income Tax Paid, State and Local, after Refund Received [Abstract] Discontinued Operations, Held-for-Sale or Disposed of by Sale Discontinued Operations, Held-for-Sale or Disposed of by Sale [Member] Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Net operating loss and tax credit carryforwards Deferred Tax Assets, Operating Loss Carryforwards And Tax Credit Carryforwards Deferred Tax Assets, Operating Loss Carryforwards And Tax Credit Carryforwards Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] 2X Blind Partners, Inc. 2X Blind Partners, Inc. [Member] 2X Blind Partners, Inc. Schedule of Cash Paid for Income Taxes, Net of Refunds Schedule of Supplemental Cash Flow Information Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Comprehensive income (loss) attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Letter of Credit Letter of Credit [Member] Distributions to noncontrolling interests Payments to Noncontrolling Interests Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Schedule of Stock-Based Compensation Cost Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Current lease liabilities Current lease liabilities Operating Lease, Liability, Current Document Fiscal Period Focus Document Fiscal Period Focus Net sales revenue share (as percent) License Agreement, Net Sales Revenue Share License Agreement, Net Sales Revenue Share Girls Like Girls Indebtedness Girls Like Girls Indebtedness [Member] Girls Like Girls Indebtedness Award Timing Method Award Timing Method [Text Block] Basic (in dollars per share) Continuing operations, basic (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Furniture and fixtures Furniture and fixtures Furniture and Fixtures [Member] Asahi Broadcasting Group Holdings Corporation Ltd Asahi Broadcasting Group Holdings Corporation Ltd [Member] Asahi Broadcasting Group Holdings Corporation Ltd Award Type [Axis] Award Type [Axis] Private Repurchase Transaction Private Repurchase Transaction [Member] Private Repurchase Transaction Significant Accounting Policies [Table] Significant Accounting Policies [Table] Significant Accounting Policies Stock-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Trading Symbol Trading Symbol 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Complex Networks, Excluding The First We Feast Brand Complex Networks, Excluding The First We Feast Brand [Member] Complex Networks, Excluding The First We Feast Brand Clover Film, Inc. Clover Film, Inc. [Member] Clover Film, Inc. Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Issuance of common stock in connection with share-based plans (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Entity Address, City or Town Entity Address, City or Town Film Financing Arrangements, Due December 23, 2027 Film Financing Arrangements, Due December 23, 2027 [Member] Film Financing Arrangements, Due December 23, 2027 Capitalized Software Costs, net Intangible Assets Disclosure [Text Block] Net deferred tax asset Deferred Tax Assets, Net of Valuation Allowance Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Restricted stock units Restricted Stock Units (RSUs) [Member] Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Percentage of assets sold Disposal Group, Including Discontinued Operation, Percentage Of Assets Sold Disposal Group, Including Discontinued Operation, Percentage Of Assets Sold Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Film Financing Arrangements, Due July 29, 2027 Film Financing Arrangements, Due July 29, 2027 [Member] Film Financing Arrangements, Due July 29, 2027 Entity Emerging Growth Company Entity Emerging Growth Company 2028 Long-Term Debt, Maturity, Year Three Outstanding at the beginning (in shares) Outstanding at the end (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Payment on revolving credit facility Repayments of Lines of Credit 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] Asset-Backed Term Loan, Through August 31, 2026 Asset-Backed Term Loan, Through August 31, 2026 [Member] Asset-Backed Term Loan, Through August 31, 2026 Change in fair value of derivative liability Change in fair value of derivative liability Derivative, Gain (Loss) on Derivative, Net Indefinite-lived intangible assets Indefinite-Lived Intangible Assets (Excluding Goodwill) Class C Common Stock Common Class C [Member] Common stock, shares outstanding (in shares) Balance at beginning (in shares) Balance at end (in shares) Common Stock, Shares, Outstanding New York City New York City [Member] New York City Number of common shares issued (in shares) Conversion of Stock, Shares Issued Provision for doubtful accounts Accounts Receivable, Credit Loss Expense (Reversal) Schedule of Disaggregated Revenue Disaggregation of Revenue [Table Text Block] Unrealized gain on foreign currency Unrealized Gain (Loss), Foreign Currency Transaction, before Tax Current provision / (benefit) Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Amortized film costs Film, Monetized on Its Own, Amortization Expense Increase (decrease) in valuation allowance Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Schedule of Estimated Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Effective interest rate (as percent) Debt Instrument, Interest Rate, Effective Percentage Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Income tax provision Total provision / (benefit) Income Tax Expense (Benefit) Debt instrument margin rate (as percent) Debt Instrument, Basis Spread on Variable Rate Discontinued operations, basic (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Class B Common Stock Common Class B [Member] Document Information [Line Items] Document Information [Line Items] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Non-cash debt repaid against film financing arrangements Noncash Debt Repayment Against Film Financing Arrangements Noncash Debt Repayment Against Film Financing Arrangements Janet Rollé [Member] Janet Rollé Gross carrying value Property, Plant and Equipment, Gross Schedule of Film Costs Schedule of Film Capitalized Cost [Table Text Block] Tabular disclosure of the capitalized film costs. Customer 2 Customer 2 [Member] Customer 2 Discontinued Operations and Disposal Groups [Abstract] Discontinued Operations and Disposal Groups [Abstract] Restructuring Costs Restructuring and Related Activities Disclosure [Text Block] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Consecutive trading days, suspension from trading or the delisting of common stock Consecutive Trading Days, Suspension From Trading Or The Delisting Of Common Stock Consecutive Trading Days, Suspension From Trading Or The Delisting Of Common Stock Proceeds from exercise of stock options Proceeds from Stock Options Exercised Schedule of Revisions to Impacted Periods Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] Business combinations, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Other income Other Nonoperating Income U.S. Federal Income Tax Paid, Federal, after Refund Received All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Schedule of Intangible Assets and the Weighted Average Remaining Useful Lives Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Table Text Block] Tabular disclosure of amortizable finite-lived intangible assets, in total and by major class, including the gross carrying amount and accumulated amortization, and indefinite-lived intangible assets not subject to amortization, excluding goodwill, in total and by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. Vested and expected to vest (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Accrued expenses Accrued Liabilities, Current Capitalization of internal-use software Payments to Develop Software Other Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Schedule of Capitalized Software Costs, Net Schedule of Capitalized Software [Table Text Block] Tabular disclosure of capitalized software. Outstanding at beginning of period (in shares) Outstanding at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Loss on debt extinguishment Effective Income Tax Rate Reconciliation, Nondeductible Expense, Loss On Debt Extinguishment, Percent Effective Income Tax Rate Reconciliation, Nondeductible Expense, Loss On Debt Extinguishment, Percent Stock-based compensation cost not yet recognized, options Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Cash used in operating activities Net cash flow used in operations Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Repayment amount Repayments of Short-Term Debt Effective Income Tax Rate Reconciliation [Table] Effective Income Tax Rate Reconciliation [Table] Film Financing Arrangements, Due Between May 15, 2027 and November 15, 2027 Film Financing Arrangements, Due Between May 15, 2027 and November 15, 2027 [Member] Film Financing Arrangements, Due Between May 15, 2027 and November 15, 2027 Preferred stock, par value per share (in dollars per share) Preferred Stock, Par or Stated Value Per Share Useful lives of property and equipment (in years) Property, Plant and Equipment, Useful Life Variable interest entity, acquisition contributed of revenue Variable Interest Entity, Measure of Activity, Revenues Subsequent Event Subsequent Event [Member] Schedule of Fair Value of Stock Option Awards Valuation Assumptions Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Non-US Income Tax Paid, Foreign, after Refund Received [Abstract] Depreciation Depreciation Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Expected to vest (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Money market funds Money Market Funds [Member] Estimated fair value of liabilities assumed Non-cash contingent consideration for business combination Liabilities Assumed Foreign Line of Credit Foreign Line of Credit [Member] Equity Components [Axis] Equity Components [Axis] Entity Ex Transition Period Entity Ex Transition Period Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Sublease income One-time license fee received Sublease Income Convertible Debt Convertible Debt [Member] Film Costs, net Film Costs, Policy [Policy Text Block] Girls Like Girls Girls Like Girls Film Inc. [Member] Girls Like Girls Film Inc. Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Costs and Expenses Operating Costs and Expenses [Abstract] Prepayment written notice period Debt Instrument, Prepayment Written Notice Period Debt Instrument, Prepayment Written Notice Period Increase in number of shares reserved for issuance as percentage of total number of outstanding shares Increase In Number Of Shares Reserved For Issuance As Percentage Of Total Number Of Outstanding Shares Represents the increase in number of shares reserved for issuance as percentage of total number of outstanding shares. Number of reportable segments Number of Reportable Segments Expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period Repayments of principal Repayments Of Long-Term Debt, Principal Repayments Of Long-Term Debt, Principal Schedule of Operating Leased Assets [Table] Schedule of Operating Leased Assets [Table] Amount of capitalized internal used software Capitalized Computer Software, Additions Entity Address, State or Province Entity Address, State or Province Net income (loss) from discontinued operations, net of tax, basic Net Income (Loss) from Discontinued Operations Available to Common Shareholders, Basic Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Total current liabilities Liabilities, Current Operating Leased Assets [Line Items] Operating Leased Assets [Line Items] Number of positions eliminated (as percent) Restructuring and Related Cost, Number of Positions Eliminated, Period Percent Asset-Backed Term Loan, After Second Anniversary Of Closing Date Asset-Backed Term Loan, After Second Anniversary Of Closing Date [Member] Asset-Backed Term Loan, After Second Anniversary Of Closing Date Restructuring costs incurred Restructuring and Related Cost, Cost Incurred to Date Individual: Individual [Axis] Customer 1 Customer 1 [Member] Customer 1 Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Document Annual Report Document Annual Report Research and development Research and Development Expense [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Ownership interest, noncontrolling owners (as percent) Subsidiary, Ownership Percentage, Noncontrolling Owner Repayments of long-term debt Repayments of long-term debt Repayments of Long-Term Debt Section 174 capitalized R&D costs Deferred Tax Asset, In-Process Research and Development Entity Interactive Data Current Entity Interactive Data Current Reverse Stock Split Stockholders' Equity, Reverse Stock Split, Policy [Policy Text Block] Stockholders' Equity, Reverse Stock Split, Policy BuzzFeed Studios Canada, Inc BuzzFeed Studios Canada, Inc [Member] BuzzFeed Studios Canada, Inc Sales and Marketing Sales and Marketing [Policy Text Block] Disclosure of accounting policy for sales and marketing. Amounts attributable to BuzzFeed, Inc for net loss per common share, basic and diluted: Net Income (Loss) Available to Common Stockholders, Basic, Operations [Abstract] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Stock-based compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Amount Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Deferred tax assets, operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Goodful and As/Is Goodful and As/Is [Member] Goodful and As/Is BuzzFeed Japan BuzzFeed Japan Represents the member information pertaining to BuzzFeed Japan. Ownership [Domain] Ownership [Domain] Non-cash debt repaid against Girls Like Girls Film Inc. Indebtedness Noncash or Partial Noncash Transaction, Repayment of Debt Noncash or Partial Noncash Transaction, Repayment of Debt Less: net income (loss) attributable to the noncontrolling interests Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest Customer [Domain] Customer [Domain] Entity Central Index Key Entity Central Index Key PEO Name PEO Name Initial conversion price (in dollars per share) Debt Instrument, Convertible, Conversion Price Schedule of Future Principal Payments of Total Debt Outstanding Schedule of Maturities of Long-Term Debt [Table Text Block] Error Correction [Table] Error Correction [Table] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount State State and Local Income Tax Expense (Benefit), Continuing Operations Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Reimbursement for restructuring costs Restructuring and Related Cost, Reimbursement For Restructuring Costs Restructuring and Related Cost, Reimbursement For Restructuring Costs Deferred revenue Contract with Customer, Liability, Current Closing price of public warrants (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Prepaid expenses and other current assets and prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Sales and marketing Disposal Group, Including Discontinued Operation, Sales And Marketing Expense Disposal Group, Including Discontinued Operation, Sales And Marketing Expense Transition services agreement, amount collected Transition Services Agreement, Amount Collected Transition Services Agreement, Amount Collected Class of Stock [Domain] Class of Stock [Domain] Unrecognized compensation costs Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount U.S. federal statutory tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Subsequent Event Type [Axis] Subsequent Event Type [Axis] Cash paid for amounts included in measurement of lease liabilities: Cash Paid for Amounts Included in Measurement of Lease Liabilities [Abstract] Cash Paid for Amounts Included in Measurement of Lease Liabilities Disposal group, including discontinued operation, consideration Disposal Group, Including Discontinued Operation, Consideration Foreign Foreign Income Tax Expense (Benefit), Continuing Operations Proceeds from the issuance of common stock in connection with the at-the-market offering, net of issuance costs Proceeds From Issuance Of At-The-Market Offering Proceeds From Issuance Of At-The-Market Offering Debt Noncurrent debt Long-Term Debt, Excluding Current Maturities Commerce Media Holdings, LLC Commerce Media Holdings, LLC [Member] Commerce Media Holdings, LLC 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Three Description of the Business [Table] Description Of The Business [Table] Description Of The Business 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] Entity Address, Address Line One Entity Address, Address Line One Thereafter Lessee, Operating Sublease Income, Receivable, After Year One Lessee, Operating Sublease Income, Receivable, After Year One Net operating losses subject to expiration Operating Loss Carryforwards, Subject to Expiration Amount of operating loss carryforward subject to expiration, before tax effects, available to reduce future taxable income under enacted tax laws. Research and development Research and Development Expense Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Discontinued operation, tax liability, decrease from application of operating loss carryforward Discontinued Operation, Tax Liability, Decrease From Application Of Operating Loss Carryforward Discontinued Operation, Tax Liability, Decrease From Application Of Operating Loss Carryforward Accrued expenses, other current liabilities, and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Accounts receivable, net of allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Shares withheld for employee taxes (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Conversion of Class B common stock to Class A common stock (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities FEAST OPCO LLC FEAST OPCO LLC [Member] FEAST OPCO LLC Ownership [Axis] Ownership [Axis] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Fair Value as of Grant Date Award Grant Date Fair Value Film costs, production tax incentives, reduction of cost of revenue Film Costs, Production Tax Incentives, Reduction Of Cost Of Revenue Film Costs, Production Tax Incentives, Reduction Of Cost Of Revenue Schedule of Other Expense, Net Schedule of Other Nonoperating Income (Expense) [Table Text Block] Net operating losses Operating Loss Carryforwards Uncertain tax positions Effective Income Tax Rate Reconciliation, Tax Contingency, Amount Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Total costs and expenses Costs and Expenses Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Stock spilt ratio Stockholders' Equity Note, Stock Split, Conversion Ratio Film Financing Arrangements, Due August 15, 2026 Film Financing Arrangements, Due August 15, 2026 [Member] Film Financing Arrangements, Due August 15, 2026 Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Weighted Average Remaining Term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Germany GERMANY Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Film Financing Arrangements, Due October 15, 2026 Film Financing Arrangements, Due October 15, 2026 [Member] Film Financing Arrangements, Due October 15, 2026 Cash consideration Payments to Acquire Businesses, Gross Non-PEO NEO Non-PEO NEO [Member] Letters of credit outstanding, amount Letters of Credit Outstanding, Amount Outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Goodwill, Impairment Loss, Statement of Income or Comprehensive Income [Extensible Enumeration] Goodwill, Impairment Loss, Statement of Income or Comprehensive Income [Extensible Enumeration] Foreign currency translation adjustment attributable to noncontrolling interests Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Noncontrolling Interest Operating lease, right-of-use asset Deferred Tax Liabilities, Leasing Arrangements Sale of Stock [Axis] Sale of Stock [Axis] Award Type [Domain] Award Type [Domain] Payment of early termination fee for revolving credit facility Early termination fee Payment for Debt Extinguishment or Debt Prepayment Cost 2026 Lessee, Operating Lease, Liability, to be Paid, Year One Noncontrolling interests Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Leasehold improvements Leasehold improvements Leasehold Improvements [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Effects of cross-border tax laws Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Percent Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Canada: Canada CANADA Compensation Amount Outstanding Recovery Compensation Amount Deferred provision / (benefit) Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Other Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Expected dividend yield (as percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Film Financing Arrangements, Due June 19, 2027 Film Financing Arrangements, Due June 19, 2027 [Member] Film Financing Arrangements, Due June 19, 2027 Film, Monetized on Its Own, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration] Film, Monetized on Its Own, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Sale of stock, equity issuable, amount Sale of Stock, Equity Issuable, Amount Sale of Stock, Equity Issuable, Amount Accrued compensation Increase (Decrease) in Employee Related Liabilities Schedule of Change in Allowance for Doubtful Accounts Accounts Receivable, Allowance for Credit Loss [Table Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] License fees receivable License Fees Receivable License Fees Receivable Australia AUSTRALIA Commerce and other Commerce And Other [Member] Represents the member information pertaining to commerce and other. Fixed cost of revenue Fixed Costs [Member] Fixed Costs Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Sales and marketing Selling and Marketing Expense 2026 Long-Term Debt, Maturity, Year One Financial Instruments [Domain] Financial Instruments [Domain] Total deferred tax liability Deferred Tax Liabilities, Gross 2030 Long-Term Debt, Maturity, Year Five Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Other non-taxable or non-deductible items Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Minimum Minimum [Member] Diluted Net loss from continuing operations, diluted Net Income (Loss) from Continuing Operations Available to Common Shareholders, Diluted Company Selected Measure Name Company Selected Measure Name Undiscounted lease payments to be paid monthly Lessee, Operating Lease, Liability, to be Paid, Monthly Lessee, Operating Lease, Liability, to be Paid, Monthly Cost of Revenue, Excluding Depreciation and Amortization Cost of Goods and Service [Policy Text Block] Proceeds from sale of assets Proceeds from Sales of Assets, Investing Activities Debt Debt Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Net loss income attributable to BuzzFeed, Inc., diluted Net Income (Loss) Available to Common Stockholders, Diluted Less: Accumulated amortization Capitalized Computer Software, Accumulated Amortization Stockholders' Equity Note [Abstract] Stockholders' Equity Note [Abstract] Foreign Current Foreign Tax Expense (Benefit) Restructuring Plan [Domain] Restructuring Plan [Domain] Expected volatility minimum (as percent) Share-Based Compensation Arrangement by Share-Based 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(in dollars per share) Earnings Per Share, Diluted Accounts receivable (net of allowance for doubtful accounts of $683 and $1,039 as at December 31, 2025 and 2024, respectively) Accounts Receivable, after Allowance for Credit Loss, Current Share price, threshold for delisting (in dollars per share) Share Price, Threshold For Delisting Share Price, Threshold For Delisting Non-cash transactions: Non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Restructuring Costs [Abstract] Restructuring Costs [Abstract] Gloria De Film, Inc. Gloria De Film, Inc. [Member] Gloria De Film, Inc. Payment of consent solicitation fees Payments of Debt Restructuring Costs Treasury stock, at cost (in shares) Treasury Stock, Common, Shares Total U.S. State and Local Income Tax Paid, State and Local, after Refund Received Description of the Business Business Description and Basis of Presentation [Text Block] Net income (loss) from discontinued operations, net of tax Less: net (income) loss from discontinued operations, net of tax Net income (loss) from discontinued operations, net of tax Net loss from discontinued operations, net of tax Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Auditor Location Auditor Location Goodwill impairment Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount Amended Credit Agreement, Until Second Anniversary Of Closing Date Amended Credit Agreement, Until Second Anniversary Of Closing Date [Member] Amended Credit Agreement, Until Second Anniversary Of Closing Date Comprehensive Loss Comprehensive Income, Policy [Policy Text Block] Domestic Tax Jurisdiction Domestic Tax Jurisdiction [Member] Other current liabilities: Nonfinancial Liabilities Fair Value Disclosure [Abstract] Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Significant Accounting Policies Cash paid for income taxes, net of refunds Total cash income taxes paid, net Income Taxes Paid, Net Other non-taxable or non-deductible items Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Two Operating losses indefinite lived carryforward Operating Losses Indefinite Lived Carryforward Amount of operating losses indefinite carry forward. 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Comprehensive Income (Loss), Net of Tax, Attributable to Parent Expired (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Disposal Group Name [Domain] Disposal Group Name [Domain] Name Measure Name Schedule of Domestic and Foreign Components of Loss Before Provision for Income Taxes on Continuing Operations Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Secured Debt Secured Debt [Member] Class of Stock [Line Items] Class of Stock [Line Items] Independent Digital News and Media Limited Independent Digital News and Media Limited [Member] Independent Digital News and Media Limited Prepayment premium on amount repaid (as percent) Debt Instrument, Prepayment Premium, Percentage Debt Instrument, Prepayment Premium, Percentage Production tax credit receivable Film Costs, Production Tax Credit, Receivable Film Costs, Production Tax Credit, Receivable Revision Revision of Prior Period, Adjustment [Member] Income Tax Contingency [Table] Income Tax Contingency [Table] Net carrying value Long term debt amount Long-Term Debt Legal Entity [Axis] Legal Entity [Axis] Total assets Assets 2026 Finite-Lived Intangible Asset, Expected Amortization, Year One 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 Geographical [Domain] Geographical [Domain] Income Taxes Income Tax, Policy [Policy Text Block] Accrued debt issuance costs for Term Loan Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction Feature films in production Film, Monetized on Its Own, Capitalized Cost, Production Deferred tax assets Components of Deferred Tax Assets and Liabilities [Abstract] Operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Research and development credit Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent Aggregate total of expenses, amount Segment Reporting, Other Segment Item, Amount Intangible assets acquired, estimated useful life (in years) Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life Concentration Risk Type [Axis] Concentration Risk Type [Axis] Loss on debt extinguishment Effective Income Tax Rate Reconciliation, Nondeductible Expense, Loss On Debt Extinguishment, Amount Effective Income Tax Rate Reconciliation, Nondeductible Expense, Loss On Debt Extinguishment, Amount Early termination option (in years) Lessee, Operating Lease, Termination Option Period Lessee, Operating Lease, Termination Option Period Debt Instrument, debt issuance costs, derecognized (as percent) Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Percent Derecognized Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Percent Derecognized Capitalized cost, reduction from proceeds received Film, Monetized In Film Group, Capitalized Cost, Reduction From Proceeds Received Film, Monetized In Film Group, Capitalized Cost, Reduction From Proceeds Received Restructuring costs Restructuring Costs 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Four Warrants Warrant [Member] Impairment of long-lived assets Impairment, Long-Lived Asset, Held-for-Use Noncash lease expense Noncash Lease Expense Noncash Lease Expense Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Exchange of accounts receivable in exchange for investment in equity securities Transfer to Investments Reconciliation of cash and cash equivalents and restricted cash within the consolidated balance sheets to the amounts shown in the statement of cash flows: Cash, Cash Equivalents, and Short-Term Investments [Abstract] Right-of-use assets obtained in exchange for new operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Cumulative Effect, Period of Adoption, Adjustment Cumulative Effect, Period of Adoption, Adjustment [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Document Financial Statement Error Correction Document Financial Statement Error Correction [Flag] State and local income taxes, net of federal income tax effect Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Standby letter of credit fee Debt Instrument, Fee Amount Operating Leases Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Video equipment Video equipment Video Equipment [Member] Represents the member information pertaining to video equipment. Adulting, Inc. Adulting, Inc. [Member] Adulting, Inc. 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