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Net (loss) income from continuing operations Net (loss) income from continuing operations Net loss from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Loss on disposition of subsidiaries Loss on disposition of subsidiary Gain (Loss) on Disposition of Stock in Subsidiary 2028 Lessee, Operating Sublease Income, Receivable, Year Five Lessee, Operating Sublease Income, Receivable, Year Five Class of Stock [Domain] Class of Stock [Domain] Issuance of common stock for acquisition Noncash or Part Noncash Acquisition, Value of Assets Acquired Customer [Domain] Customer [Domain] Net loss attributable to holders of Class A, Class B, and Class C common stock for basic net loss per share Net (loss) income attributable to BuzzFeed, Inc., basic Net Income (Loss) Available to Common Stockholders, Basic Other Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Number of shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Total Total Operating Lease, Liability H u f f I n g t o n P o s t Italia S.R.L H u f f I n g t o n P o s t Italia S.R.L This member stands for H u f f I n g t o n P o s t I t a l I a S.R.L. 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Number of reportable segments Number of Reportable Segments Earnings Per Share [Abstract] Earnings Per Share [Abstract] Interest expense Deferred Tax Assets, Interest Expense Amount, before allocation of valuation allowances, of deferred tax asset attributable to deductible differences from interest expense. Common stock Common Stock, Value, Issued Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Subtenant rent free period Subtenant Rent Free Period Subtenant Rent Free Period Schedule of RSU Activity Summary of Restricted Stock Unit Activity [Table Text Block] The tabular disclosure of summary of restricted stock units. Deferred (benefit) / provision Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Additions Accounts Receivable, Allowance for Credit Loss, Additions Amount of additions of accounts receivable charged against the allowance. Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] All Individuals All Individuals [Member] Violation Of VPP Act - HuffPost.com Website Violation Of Video Privacy Protection Act - HuffPost.com Website [Member] Violation Of Video Privacy Protection Act - HuffPost.com Website Litigation Case [Domain] Litigation Case [Domain] Other expense, net Other expense, net Other Nonoperating Income (Expense) Entity Filer Category Entity Filer Category Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Statement [Table] Statement [Table] Accrued reverse recapitalization costs Noncash Accrued Reverse Recapitalization Costs Amount of noncash accrued reverse recapitalization costs. Current Fiscal Year End Date Current Fiscal Year End Date 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] Summary of Reconciliation of the U.S. Statutory Income Tax Rate On Continuing Operations to the Company's Effective Tax Rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Unrecognized tax benefits Unrecognized Tax Benefits Percentage of net proceeds from future asset sales Debt Instrument, Net Proceeds From Future Asset Sales Used For Repayment, Minimum, Percentage Debt Instrument, Net Proceeds From Future Asset Sales Used For Repayment, Minimum, Percentage Income Tax Authority [Axis] Income Tax Authority [Axis] PEO Name PEO Name Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Shares authorized (in shares) Preferred Stock, Shares Authorized Summary of Goodwill Activities Schedule of Goodwill [Table Text Block] Shares outstanding (in shares) Preferred Stock, Shares Outstanding Other Expense, Net Other Nonoperating Income and Expense [Text Block] Stock-based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost Other non-current liabilities Other Liabilities, Fair Value Disclosure C Acquisition C Acquisition Purchase Agreement [Member] This member stands for C Acquisition Purchase Agreement. Change in fair value of warrant liabilities Change in fair value of warrants Fair Value Adjustment of Warrants Capitalization of internal-use software Payments to Develop Software Interest rate Debt Instrument, Interest Rate, Stated Percentage Basic Net (loss) income from continuing operations, basic Net Income (Loss) from Continuing Operations Available to Common Shareholders, Basic Accrued compensation Increase (Decrease) in Employee Related Liabilities Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Deduct: change in fair value of derivative liability Change In Fair Value Of Derivative Liability, Effect On Basic Earnings Per Common Share Change In Fair Value Of Derivative Liability, Effect On Basic Earnings Per Common Share Total BuzzFeed, Inc. stockholders’ equity Equity, Attributable to Parent Current assets of discontinued operations Disposal Group, Including Discontinued Operation, Assets, Current 2022 Workforce Reduction 2022 Workforce Reduction [Member] 2022 Workforce Reduction State State and Local Income Tax Expense (Benefit), Continuing Operations Restricted Stock Restricted Stock [Member] Schedule of Significant Unobservable Inputs Related to the Derivative Liability Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Expected term (years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Subsequent Events [Abstract] Subsequent Events [Abstract] (Loss) income from continuing operations before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Term for calculating amount of interest declining ratably Term For Calculating Amount Of Interest Declining Ratably Represents the term for calculating amount of interest declining ratably. Restructuring Costs Restructuring and Related Activities Disclosure [Text Block] Comprehensive income attributable to the redeemable noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable To Redeemable Noncontrolling Interest Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to redeemable noncontrolling interests. Conversion of shares (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Level 2 Fair Value, Inputs, Level 2 [Member] Related party agreement, duration Related Party Agreement, Duration Related Party Agreement, Duration Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Amounts attributable to BuzzFeed, Inc for net loss per common share, basic: Net Income (Loss) Available to Common Stockholders, Basic, Operations [Abstract] Effective interest rate Debt Instrument, Interest Rate, Effective Percentage Reverse recapitalization, net of transaction costs Stock Issued During Period, Value, Reverse Recapitalization Stock Issued During Period, Value, Reverse Recapitalization Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Number of trading days Debt Instrument, Convertible, Threshold Trading Days Weighted- Average Remaining Useful Lives (in years) Finite-Lived Intangible Asset, Useful Life Accrued expenses, other current liabilities and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities 2027 Lessee, Operating Lease, Liability, to be Paid, Year Four Outstanding at the beginning (in dollars per share) Outstanding at the end (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Private Placement Warrants Private Warrants Amount Of Private Warrants Stock based compensation Share-Based Payment Arrangement, Noncash Expense Foreign Tax Authority Foreign Tax Authority [Member] Amounts attributable to BuzzFeed, Inc for net loss per common share, diluted: Net Income (Loss) Available to Common Stockholders, Diluted, Operations [Abstract] City Area Code City Area Code Product and Service [Axis] Product and Service [Axis] Net Loss Per Share Earnings Per Share [Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Geographical [Domain] Geographical [Domain] Exercise Price Award Exercise Price Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Number of shares issued in exchange for each share (in shares) Exchange Ratio, Shares Issued For Each Share Number of shares issued for exchange of each share. Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Total Liabilities, Fair Value Disclosure Debt instrument, overadvance, maximum Debt Instrument, Overadvance, Maximum Debt Instrument, Overadvance, Maximum Violation of VPP Act - BuzzFeed.com Website Violation Of Video Privacy Protection Act - BuzzFeed.com Website [Member] Violation Of Video Privacy Protection Act - BuzzFeed.com Website Net (loss) income Net (loss) income Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Cash paid for income taxes, net Income Taxes Paid, Net Net (loss) income from discontinued operations, net of tax Less: net loss (income) from discontinued operations, net of tax Net (loss) income from discontinued operations, net of taxes Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Developed technology Developed Technology Rights [Member] Schedule of Stock-Based Compensation Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Total liabilities and stockholders' equity Liabilities and Equity Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Ownership [Domain] Ownership [Domain] Risk free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Right-of-use assets Operating Lease, Right-of-Use Asset Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Number of positions eliminated, percentage Restructuring and Related Cost, Number of Positions Eliminated, Period Percent Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Research and development Disposal Group, Including Discontinued Operation, Research And Development Expense Disposal Group, Including Discontinued Operation, Research And Development Expense Foreign Current Foreign Tax Expense (Benefit) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Common stock, number of additional shares authorized Common Stock, Number Of Additional Shares Authorized Common Stock, Number Of Additional Shares Authorized Estimated restructuring charges Restructuring and Related Cost, Expected Cost Net loss attributable to holders of Class A, Class B, and Class C common stock for diluted net loss per share Net (loss) income attributable to BuzzFeed, Inc. diluted Net Income (Loss) Available to Common Stockholders, Diluted Arrangement Duration Trading Arrangement Duration Loss from discontinued operations before income taxes Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Entity Address, City or Town Entity Address, City or Town Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Related Party Related Party [Member] Class C Common Stock Common Class C [Member] 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 Public Warrants Public Warrants Amount Of Public Warrants Number of days prior to the measurement date taken for average share price Number of Days Prior to the Measurement Date Considered for Average Share Price 2 The number of days prior to the measurement date considered for average share price 2. Number of days prior to the measurement date considered for average share price Number of Days Prior to the Measurement Date Considered for Average Share Price 1 The number of days prior to the measurement date considered for average share price 1. Restructuring charges Restructuring Charges Capitalized production expenses Deferred Tax Assets, Capitalized Production Expenses Deferred Tax Assets, Capitalized Production Expenses Impairment Expense Asset Impairment Charges [Text Block] Deferred reverse recapitalization costs Payments To Deferred Reverse Recapitalization Costs Payments To Deferred Reverse Recapitalization Costs Termination Date Trading Arrangement Termination Date Initial period, suspension from trading or the delisting of common stock Initial Period, Suspension From Trading Or The Delisting Of Common Stock Initial Period, Suspension From Trading Or The Delisting Of Common Stock Common stock, shares authorized (in shares) Common Stock, Shares Authorized Amortization expense Capitalized Computer Software, Amortization Document Information [Table] Document Information [Table] Decrease in film costs Increase (Decrease) in Film Costs Indefinite-lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets [Axis] Adjustments to reconcile net (loss) income from continuing operations to net cash (used in) provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Measurement Input Type [Axis] Measurement Input Type [Axis] Acquisition contributed of revenue Business Combination, Separately Recognized Transactions, Revenues and Gains Recognized Award Timing Disclosures [Line Items] Number of common shares issued (in shares) Conversion of Stock, Shares Issued Number of shares transferred (in shares) Escrow Deposit, Number Of Shares Transferred Escrow Deposit, Number Of Shares Transferred Comprehensive (loss) income attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest HuffPost and Verizon Investment HuffPost and Verizon Investment This member stands for HuffPost and Verizon Investment. Additional paid-in capital Additional Paid in Capital Net income (loss) Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Unused borrowing capacity Debt Instrument, Unused Borrowing Capacity, Amount Document Information [Line Items] Document Information [Line Items] Restructuring Plan [Axis] Restructuring Plan [Axis] Transition services agreement, renewal term Transition Services Agreement, Renewal Term Transition Services Agreement, Renewal Term Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Supplemental Cash Flow Information Cash Flow, Supplemental Disclosures [Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Three Insider Trading Arrangements [Line Items] Related Party, Type [Axis] Related Party, Type [Axis] Issuance of common stock in connection with share-based plans (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Entity Registrant Name Entity Registrant Name Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Award Timing Method Award Timing Method [Text Block] ValueCommerce Co. Ltd. ValueCommerce Co. Ltd. [Member] ValueCommerce Co. Ltd. 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Two Warrant liabilities Warrants and Rights Outstanding Adjustment to Compensation, Amount Adjustment to Compensation Amount Cost of revenue, excluding depreciation and amortization Cost of Sales [Member] Employee Severance Employee Severance [Member] Deferred tax liabilities Components of Deferred Tax Liabilities [Abstract] Noncontrolling interests Equity, Attributable to Noncontrolling Interest Auditor Name Auditor Name Borrowings on Revolving Credit Facility Issuance of letter of credit Proceeds from Lines of Credit Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Preferred stock dividend rate Preferred Stock, Dividend Rate, Percentage Less: Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Disposal Group Name [Axis] Disposal Group Name [Axis] Exercisable (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Capitalized Software Costs Internal Use Software, Policy [Policy Text Block] Repayments of long-term debt Repayments of long-term debt Repayments of Long-Term Debt Value of NBCU base shares Base Shares, Value The value of base shares. Reverse recapitalization, net of transaction costs (in shares) Stock Issued During Period, Shares, Reverse Recapitalization Stock Issued During Period, Shares, Reverse Recapitalization Entity Central Index Key Entity Central Index Key Amortization of debt discount and issuance costs Amortization of Debt Issuance Costs and Discounts Change in fair value of derivative liability Change in fair value of derivative liability Derivative, Gain (Loss) on Derivative, Net Stock-based compensation cost Share-Based Payment Arrangement, Expense Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Advertising Advertising [Member] Secured Overnight Financing Rate (SOFR) Secured Overnight Financing Rate (SOFR) [Member] Secured Overnight Financing Rate (SOFR) Reclassification of noncontrolling interest (see Note 10) Reclassification into permanent equity Reclassifications of Temporary to Permanent Equity Accounts receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Impairment of leasehold Impairment of Leasehold Income Tax Authority [Domain] Income Tax Authority [Domain] 2015 Equity Incentive Plan 2015 Equity Incentive Plan Equity Incentive Plan 2015. Accrued compensation Employee-related Liabilities, Current Name Trading Arrangement, Individual Name Net cash (used in) provided by operating activities from discontinued operations Cash Provided by (Used in) Operating Activities, Discontinued Operations Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Issuance of common stock Stock Issued During Period, Value, New Issues BuzzFeed, Inc. BuzzFeed, Inc. [Member] Represents the information pertaining to BuzzFeed, Inc. [Member] Effect of foreign operations Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Revenue Revenue from related parties Revenue from Contract with Customer, Excluding Assessed Tax Entity [Domain] Entity [Domain] Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Amendment Flag Amendment Flag Capitalized Software Costs, net Intangible Assets Disclosure [Text Block] Legal Entity [Axis] Legal Entity [Axis] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activities Issuance of common stock in connection with share-based plans (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period Contingent Consideration Type [Domain] Contingent Consideration Type [Domain] Debt Outstanding borrowings Long-Term Debt, Excluding Current Maturities Leasehold improvements Leasehold Improvements [Member] General and Administrative Selling, General and Administrative Expenses, Policy [Policy Text Block] Net deferred tax (liability) asset Deferred Tax Liabilities, Net Useful life of enhancements Capitalized Software Enhancements, Useful Life Useful life of capitalized software enhancements, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Sales and marketing Selling and Marketing Expense [Member] Diluted (in shares) Weighted average common shares outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] U.S. GILTI inclusion Effective Income Tax Rate Reconciliation, GILTI, Amount Accrued compensation Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Accrued Compensation Amount of business combination recognized identifiable assets acquired and liabilities assumed accrued compensation. Loss from Discontinued Operations, Net of Taxes Disposal Groups, Including Discontinued Operations [Table Text Block] Website and internal-use software Capitalized Computer Software, Gross Capital expenditures Payments to Acquire Property, Plant, and Equipment Company Selected Measure Amount Company Selected Measure Amount Total assets Assets Name Awards Close in Time to MNPI Disclosures, Individual Name Proceeds from issuance of convertible notes, net of issuance costs Proceeds from Convertible Debt Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Noncurrent assets of discontinued operations Noncurrent assets of discontinued operations, net of valuation allowance Disposal Group, Including Discontinued Operation, Assets, Noncurrent 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 Non-NEOs Non-NEOs [Member] BuzzFeed News BuzzFeed News [Member] BuzzFeed News Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Finite Lived And Indefinite Lived Intangible Assets By Major Class [Table] Finite Lived And Indefinite Lived Intangible Assets By Major Class [Table] Disclosure of finite-lived and indefinite-lived intangible assets, excluding goodwill, in total and by major class. Financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Non-PEO NEO Non-PEO NEO [Member] Adjustment to Compensation: Adjustment to Compensation [Axis] Tax credits Deferred Tax Assets, Tax Credit Carryforwards, Research Share consideration Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Scenario [Axis] Scenario [Axis] Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Debt Instrument [Line Items] Debt Instrument [Line Items] Basic (in shares) Weighted average common shares outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Basic General and administrative Disposal Group, Including Discontinued Operation, General and Administrative Expense Schedule of Property, Plant and Equipment, Useful Life Schedule of Property, Plant and Equipment, Useful Life [Table Text Block] Tabular disclosure of the useful life of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Related Party Transaction [Axis] Related Party Transaction [Axis] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] License agreement, term License Agreement, Term License Agreement, Term Percentage of unused commitment fee Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Statement [Line Items] Statement [Line Items] Conversion of shares Stock Issued During Period, Value, Conversion of Convertible Securities Expected to vest (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Intangible assets Deferred Tax Liabilities, Intangible Assets Schedule of Net Carrying Amount of the Notes Schedule of Debt [Table Text Block] Number of mass arbitrations Number Of Mass Arbitrations Number Of Mass Arbitrations Total Lessee, Operating Sublease Income, Receivable Lessee, Operating Sublease Income, Receivable Exchange of accounts receivable in exchange for investment in equity securities Transfer to Investments Noncontrolling Interests Noncontrolling Interest [Member]