75000 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 75010 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 75020 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 75030 - Statement - CONSOLIDATED STATEMENTS OF INCOME link:presentationLink link:calculationLink link:definitionLink 75040 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME link:presentationLink link:calculationLink link:definitionLink 75050 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 75060 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 75070 - Statement - CONSOLIDATED STATEMENTS OF EQUITY AND REDEEMABLE NONCONTROLLING INTEREST link:presentationLink link:calculationLink link:definitionLink 75080 - Statement - CONSOLIDATED STATEMENTS OF EQUITY AND REDEEMABLE NONCONTROLLING INTEREST (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 995455 - Disclosure - Basis of presentation, merger agreement and accounting policies link:presentationLink link:calculationLink link:definitionLink 995465 - Disclosure - Goodwill and other intangible assets link:presentationLink link:calculationLink link:definitionLink 995475 - Disclosure - Investments and other assets link:presentationLink link:calculationLink link:definitionLink 995485 - Disclosure - Long-term debt link:presentationLink link:calculationLink link:definitionLink 995495 - Disclosure - Retirement plans link:presentationLink link:calculationLink link:definitionLink 995505 - Disclosure - Accumulated other comprehensive loss link:presentationLink link:calculationLink link:definitionLink 995515 - Disclosure - Earnings per share link:presentationLink link:calculationLink link:definitionLink 995525 - Disclosure - Fair value measurement link:presentationLink link:calculationLink link:definitionLink 995535 - Disclosure - Share repurchase program link:presentationLink link:calculationLink link:definitionLink 995545 - Disclosure - Other matters link:presentationLink link:calculationLink link:definitionLink 995555 - Disclosure - Subsequent events link:presentationLink link:calculationLink link:definitionLink 995565 - Disclosure - Basis of presentation, merger agreement and accounting policies (Policies) link:presentationLink link:calculationLink link:definitionLink 995575 - Disclosure - Basis of presentation, merger agreement and accounting policies (Tables) link:presentationLink link:calculationLink link:definitionLink 995585 - Disclosure - Goodwill and other intangible assets (Tables) link:presentationLink link:calculationLink link:definitionLink 995595 - Disclosure - Investments and other assets (Tables) link:presentationLink link:calculationLink link:definitionLink 995605 - Disclosure - Long-term debt (Tables) link:presentationLink link:calculationLink link:definitionLink 995615 - Disclosure - Retirement plans (Tables) link:presentationLink link:calculationLink link:definitionLink 995625 - Disclosure - Accumulated other comprehensive loss (Tables) link:presentationLink link:calculationLink link:definitionLink 995635 - Disclosure - Earnings per share (Tables) link:presentationLink link:calculationLink link:definitionLink 995645 - Disclosure - Basis of presentation, merger agreement and accounting policies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 995655 - Disclosure - Basis of presentation, merger agreement and accounting policies - Reconciliations Between Revenue and Primary Measures of Profit or Loss (Details) link:presentationLink link:calculationLink link:definitionLink 995665 - Disclosure - Basis of presentation, merger agreement and accounting policies - Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 995675 - Disclosure - Goodwill and other intangible assets - Schedule of Indefinite-Lived Intangible Assets and Amortizable Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 995685 - Disclosure - Goodwill and other intangible assets - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 995695 - Disclosure - Investments and other assets - Components of Investments and Other Assets (Details) link:presentationLink link:calculationLink link:definitionLink 995705 - Disclosure - Investments and other assets - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 995715 - Disclosure - Long-term debt - Schedule of Long-Term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 995725 - Disclosure - Long-term debt - Schedule of Long-Term Debt (Details) 2 link:presentationLink link:calculationLink link:definitionLink 995735 - Disclosure - Long-term debt - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 995745 - Disclosure - Retirement plans - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 995755 - Disclosure - Retirement plans - Schedule of Pension Costs (Income) (Details) link:presentationLink link:calculationLink link:definitionLink 995765 - Disclosure - Accumulated other comprehensive loss - Accumulated Other Comprehensive Loss (Details) link:presentationLink link:calculationLink link:definitionLink 995775 - Disclosure - Accumulated other comprehensive loss - Reclassifications out of Accumulated Other Comprehensive Loss (Details) link:presentationLink link:calculationLink link:definitionLink 995785 - Disclosure - Earnings per share - Schedule of Earnings Per Share (Basic and Diluted) (Details) link:presentationLink link:calculationLink link:definitionLink 995795 - Disclosure - Earnings per share - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 995805 - Disclosure - Fair value measurement (Details) link:presentationLink link:calculationLink link:definitionLink 995815 - Disclosure - Share repurchase program (Details) link:presentationLink link:calculationLink link:definitionLink 995825 - Disclosure - Other matters (Details) link:presentationLink link:calculationLink link:definitionLink 995835 - Disclosure - Subsequent events - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink Additional consideration paid. Additional Consideration Paid Additional consideration paid Retirement Plan Type [Axis] Retirement Plan Type [Axis] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Balance Sheet Location [Domain] Statement of Financial Position Location, Balance [Domain] Cash contributions Defined Benefit Plan, Plan Assets, Contributions by Employer Increase (Decrease) in Accounts Payable Decrease in accounts payable Long-Term Debt, Excluding Current Maturities Long-term debt Total long-term debt, net Total long-term debt, net Average price paid per share (in dollar per share) Shares Acquired, Average Cost Per Share Equity [Abstract] Equity [Abstract] Entity Current Reporting Status Entity Current Reporting Status Loss contingency, damages sought, value Loss Contingency, Damages Sought, Value Goodwill Goodwill, Gross Level 2 Fair Value, Inputs, Level 2 [Member] Other matters Commitments and Contingencies Disclosure [Text Block] Common stock, authorized shares (in shares) Common Stock, Shares Authorized Common stock, authorized (in shares) Document Fiscal Period Focus Document Fiscal Period Focus Stated interest rate (as a percent) Debt Instrument, Interest Rate, Stated Percentage Entity Shell Company Entity Shell Company Other Other Accrued Liabilities, Current Dividends declared Dividends, Common Stock, Cash Segment Reporting, Policy [Policy Text Block] Segment presentation Cash and cash equivalents Cash and Cash Equivalent Common stock, issued shares (in shares) Common Stock, Shares, Issued Common stock, issued (in shares) Statement [Table] Statement [Table] Percent repurchased Stock Repurchase Program, Percent Repurchased Stock Repurchase Program, Percent Repurchased Stock repurchase program, percent repurchased Payments to Acquire Businesses, Gross Payment of purchase price Statement [Line Items] Statement [Line Items] Treasury Stock, Value, Acquired, Cost Method Treasury stock, value, acquired, cost method Shares repurchased value under share repurchase program Business Acquisition, Acquiree [Domain] Business Combination [Domain] Revenue recognition Revenue from Contract with Customer [Policy Text Block] Entity Filer Category Entity Filer Category Payment of Accrued Interest Payment of accrued interest. Payment of accrued interest Temporary Equity, Net Income Net (loss) income Liabilities and Equity Total liabilities, redeemable noncontrolling interest and equity Debt Instrument [Line Items] Debt Instrument [Line Items] Long-Term Debt, Current Maturities Long-Term Debt, Current Maturities, Total Current portion of long-term debt Less current portion, net Subsequent Event [Line Items] Goodwill Goodwill Goodwill, Total Goodwill, Beginning Balance Goodwill, Ending Balance Goodwill Investment Income, Interest Interest income Treasury Stock, Common, Value Less treasury stock at cost, 163,364,589 shares and 164,520,591 shares, respectively Programming Expense Programming expense. Programming Payments for tax withholding related to vested stock-based compensation awards and share repurchase excise tax Payments For Tax Withholding Related To Vested Stock based Compensation Awards And Share Repurchase Excise Tax Payments for tax withholding related to vested stock based compensation awards and share repurchase excise tax. Additional paid-in capital Additional Paid in Capital, Common Stock Additional paid-in capital Debt Issuance Costs, Net Financing costs Debt issuance costs Proceeds from sale of assets Proceeds from Sale of Other Assets, Investing Activities Related Party Related Party [Member] Gray [Member] Gray. Gray Intangible asset useful life Finite-Lived Intangible Asset, Useful Life Share Repurchase Program [Axis] Share Repurchase Program [Axis] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Earnings per share: Net Earnings Per Share [Abstract] Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Earnings Per Share (Basic and Diluted) Increase (Decrease) in Other Operating Assets and Liabilities, Net Changes in other assets and liabilities, net Increase (Decrease) in Accumulated Other Comprehensive Income (Loss) [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Property and equipment Property, Plant and Equipment, Net [Abstract] Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), before Tax Recognition of previously deferred post-retirement benefit plan costs Recognition of previously deferred post-retirement benefit plan costs Investment, Name [Axis] Investment, Name [Axis] Basic (in dollars per share) Earnings Per Share, Basic Net income per share - basic (in dollars per share) Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Retirement plans Retirement Benefits [Text Block] Other Comprehensive Income (Loss), before Tax [Abstract] Other comprehensive income, before tax: Indefinite-Lived Intangible Assets Acquired Indefinite lived intangible assets Adjusted EBITDA Adjusted EBITDA. Adjusted EBITDA Debt policy Debt, Policy [Policy Text Block] Revolving Credit Facility Revolving Credit Facility [Member] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Total current liabilities Liabilities, Current Decrease in trade receivables Increase (Decrease) in Accounts Receivable Adjustments to reconcile net income to net cash flow from operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Payments for debt issuance costs Payments of Debt Issuance Costs Treasury Stock Stockholders' Equity, Policy [Policy Text Block] Consolidation Items [Domain] Equity, Attributable to Parent [Abstract] Shareholders' equity Entity Small Business Entity Small Business Retained earnings Retained Earnings (Accumulated Deficit) Retained earnings Repayments of Unsecured Debt Repayments of unsecured debt Repayments of unsecured notes Intangible and other assets Intangible And Other Assets [Abstract] Intangible and Other Assets [Abstract] December 2020 Share Repurchase Program December 2020 Share Repurchase Program [Member] December 2020 Share Repurchase Program Settled Litigation Settled Litigation [Member] Amendment Flag Amendment Flag Treasury Stock, Shares, Retired Return of capital to shareholders Political Political [Member] Political [Member] Proceeds from investments Proceeds from Sale, Maturity and Collection of Investments LIABILITIES, REDEEMABLE NONCONTROLLING INTEREST AND EQUITY Liabilities and Equity [Abstract] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Net cash flow from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Tegna Retirement Plan [Member] Tegna Retirement Plan [Member] TRP Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description Common stock Common Stock [Member] Total net pension obligations Defined Benefit Plan, Accumulated Benefit Obligation Decrease in gross intangible assets Finite-Lived Intangible Assets, Period Increase (Decrease) Less accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Contribution To Stock 401(k) Contribution To Stock 401(k) Company stock 401(k) match contributions Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] SERP Supplemental Employee Retirement Plan [Member] Entity Address, Address Line One Entity Address, Address Line One Fair Value By Fair Value Hierarchy Level [Axis] Fair Value Hierarchy and NAV [Axis] Earnings Per Share [Abstract] Earnings Per Share [Abstract] Debt instrument, covenant, unrestricted cash requirement. Debt instrument, covenant, unrestricted cash requirement Restricted cash amount requirement Supplemental cash flow information: Supplemental Cash Flow Information [Abstract] Goodwill and other intangible assets Goodwill and Intangible Assets Disclosure [Text Block] Balance Sheet Location [Axis] Statement of Financial Position Location, Balance [Axis] Unsecured notes bearing fixed rate interest at 4.625% due March 2028 Unsecured Fixed Rate Notes 4.625 Percent Due March 2028 [Member] Unsecured Fixed Rate Notes 4.625 Percent Due March 2028 [Member] Right-of-use assets for operating leases Operating Lease, Right-of-Use Asset Total reclassifications, before tax Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Net Income (Loss) Attributable to Noncontrolling Interest Net loss attributable to redeemable noncontrolling interest Net loss attributable to the noncontrolling interest Increase (Decrease) in Other Operating Assets and Liabilities, Net [Abstract] Change in operating assets and liabilities, net of acquisitions: Document Type Document Type Cash paid for income taxes, net of refunds Income Taxes Paid, Net Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Cash Surrender Value of Life Insurance Cash value life insurance Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Entity Central Index Key Entity Central Index Key Allowance for doubtful accounts receivable Accounts Receivable, Allowance for Credit Loss, Current Allowance for doubtful accounts receivable Termination fee to be received Business Combination Termination Fee To Be Received Business combination termination fee to be received. Unsecured notes bearing fixed rate interest at 5.00% due September 2029 Unsecured Fixed Rate Notes 5.00 Percent Due September 2029 [Member] Unsecured Fixed Rate Notes 5.00 Percent Due September 2029 [Member] Capitalization of fees paid to lenders. Capitalization of fees paid to lenders Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation (Decrease) increase in cash and cash equivalents Subsequent Event Type [Domain] Subsequent Event Type [Domain] Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Diluted earnings per share amounts exclude the effects of stock awards Stock Repurchased and Retired During Period, Shares Number of shares repurchased Adjustment of redeemable noncontrolling interest to redemption value Temporary Equity, Carrying Amount, Period Increase (Decrease) Common Stock, Par or Stated Value Per Share Common stock, per value (in dollars per share) Common stock, par value (in dollars per share) Acquired Technology and Customer Relationships. Acquired Technology and Customer Relationships [Member] Acquired Technology and Customer Relationships Debt Disclosure [Abstract] Debt Disclosure [Abstract] Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Foreign Currency Expected additional cash payments Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Current Fiscal Year End Date Current Fiscal Year End Date Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Payments to Noncontrolling Interests Repurchase of noncontrolling interest in Premion Document Quarterly Report Document Quarterly Report Litigation Case [Domain] Litigation Case [Domain] Entity Address, State or Province Entity Address, State or Province Line of Credit Facility, Remaining Borrowing Capacity Unused borrowing capacity Investment, Name [Domain] Investment, Name [Domain] Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income attributable to TEGNA Inc. Effect of dilutive securities (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Accumulated other comprehensive loss disclosure. Accumulated Other Comprehensive Loss Disclosure [Text Block] Accumulated other comprehensive loss Advisor Advisor [Member] Advisor Proceeds from sale of equity method investment Proceeds from Sale of Equity Method Investments Stock-based awards activity Stock Issued During Period, Value, Stock Options Exercised Debt Instrument, Unamortized Discount (Premium), Net, Total Debt Instrument, Unamortized Discount (Premium), Net Unamortized premiums and discounts, net Unamortized discounts Unamortized discounts Performance Shares [Member] Performance share awards Fair value of total long-term debt Long-Term Debt, Fair Value Subsequent Event Subsequent Event [Member] Total reclassifications, net of tax Amounts reclassified from AOCL Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Pension expense, net of employer contributions Pension Benefit Expense Net Of Pension Contributions The amount of non cash pension (benefit) expense reduced by the amounts of cash and cash equivalents contributed during the reporting period by the entity to fund its pension plans. Other long-term assets Other Assets, Noncurrent Merger termination fee Gain (Loss) on Contract Termination Antidilutive Securities [Axis] Basis of Presentation and Significant Accounting Policies [Text Block] Basis of presentation, merger agreement and accounting policies Debt Securities Debt Securities, Total Debt investment Termination fee Business Combination Termination Fee Business Combination Termination Fee Related Party Transaction [Axis] Related Party Transaction [Axis] Accumulated other comprehensive loss Total AOCI Attributable to Parent [Member] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Treasury stock, shares (in shares) Treasury Stock, Common, Shares Treasury stock (in shares) Total Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Investments and other assets Investments and Other Noncurrent Assets [Text Block] Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived Intangible assets related to acquired technology and customer relationships Business units - Selling, general and administrative expenses Selling, General and Administrative Expense Minimum [Member] Minimum Current assets Assets, Current [Abstract] Income tax effect related to components of other comprehensive income Other Comprehensive Income (Loss), Tax Amortization of intangible assets Amortization of Intangible Assets Level 3 Fair Value, Inputs, Level 3 [Member] Gain on investment sales Unrealized Gain (Loss) on Investments Current liabilities Liabilities, Current [Abstract] Deferred Compensation Plan Assets Accounts Receivable, after Allowance for Credit Loss, Current Accounts Receivable, after Allowance for Credit Loss, Current, Total Accounts receivable Accounts receivable, net of allowances of $4,545 and $2,831, respectively Prepaid Expense, Noncurrent, Total Prepaid Expense, Noncurrent Prepaid assets Commitments and contingent liabilities (see Note 10) Commitments and Contingencies Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Merger Agreement [Member] Merger Agreement. Merger Agreement All Other Segment Expense Items all other segment expense items. (Less) Plus: All other segment items Indefinite-lived Intangible Assets [Line Items] Indefinite-Lived Intangible Assets [Line Items] Less: Reconciling Items [Abstract] Reconciling items. Dividends shares. Dividends shares Other equity investments Equity Securities, FV-NI, Cost Equity And Debt Investment Equity And Debt Investment [Member] Equity And Debt Investment [Member] Bridge Loan [Member] Bridge Loan Deferred financing costs Debt Issuance Costs, Noncurrent, Net Income Amounts Attributable to Parent, Disclosures [Abstract] Noncurrent liabilities Liabilities, Noncurrent [Abstract] Net Income Net Income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income Income taxes payable Accrued Income Taxes, Current Debt instrument, covenant, springing maturity threshold. Debt instrument, covenant, springing maturity threshold Springing maturity threshold Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Weighted average number of common shares outstanding - basic (in shares) Basic shares (in shares) Weighted Average Number of Shares Outstanding, Basic Advertising & Marketing Services Advertising And Marketing Services [Member] Advertising And Marketing Services [Member] Other activity Stockholders' Equity, Other Other Other Revenue Source [Member] Other Revenue Source [Member] Merger Agreement [Policy Text Block] Merger Agreement. Merger Agreement Subsequent events Subsequent Events [Text Block] Pension and Other Postretirement Benefits Expense (Reversal of Expense), Noncash Company stock 401(k) match contributions Long-Term Debt Total debt, net APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Employee awards stock-based compensation Common Stock Convertible Conversion Price Common stock convertible conversion price. Beginning balance Ending balance Equity, Attributable to Parent Equity, Attributable to Parent, Total Additional cash payments Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year Payments to Acquire Investments Payments to Acquire Investments, Total Payments for investments Basis of presentation Basis of Accounting, Policy [Policy Text Block] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Equity method investments Equity Method Investments Use of estimates Use of Estimates, Policy [Policy Text Block] Trade receivables and allowances for doubtful accounts Credit Loss, Financial Instrument [Policy Text Block] Treasury stock Treasury Stock, Common [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Fair value measurement Fair Value Disclosures [Text Block] Amended and Restated Competitive Advance and Revolving Credit Agreement Amended And Restated Competitive Advance And Revolving Credit Agreement [Member] Amended And Restated Competitive Advance And Revolving Credit Agreement [Member] Retirement Plans Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Syndicated programming rights Programming Rights, Current Programming Rights, Current Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Accelerated Share Repurchase Program (ASR) Accelerated Share Repurchase Program (ASR) [Member] Accelerated Share Repurchase Program (ASR) Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Ending balance Temporary Equity, Including Noncontrolling Interest Redeemable noncontrolling interest (see Note 1) Beginning balance Credit Facility [Axis] Credit Facility [Axis] Ownership interest (as a percent) Equity Method Investment, Ownership Percentage Cost of revenues Cost of Product and Service Sold Cost of Goods and Services Sold, Total Foreign currency Foreign currency [Member] Foreign currency [Member] Related Party [Axis] Related and Nonrelated Parties [Axis] 300 Million accelerated share repurchase program. Three Hundred Million Accelerated Share Repurchase Program [Member] 300 Million First Accelerated Share Repurchase Program Pension Plan [Member] Retirement Plans Entity Address, City or Town Entity Address, City or Town Stock repurchase program final settlement of shares. Stock repurchase program final settlement of shares Number of reportable segments Number of Reportable Segments Business Combination Share Converted Amount Business combination share converted amount. Share converted amount, per share Security Exchange Name Security Exchange Name Credit Facility [Domain] Credit Facility [Domain] Television and radio station FCC broadcast licenses Indefinite-Lived Intangible Assets (Excluding Goodwill) Redeemable Noncontrolling Interest, Equity, Carrying Amount Redeemable Noncontrolling Interest, Equity, Carrying Amount, Total Redemption of noncontrolling interest Adjustments to Additional Paid in Capital Stock Based Awards Activity Adjustments to additional paid in capital stock based awards activity. Stock-based awards activity Long-Term Debt, Gross Unsecured notes Total outstanding principal Cost Property, Plant and Equipment, Gross Cost Investments, All Other Investments [Abstract] Investments, All Other Investments [Abstract] 325 Million accelerated share repurchase program. Three Hundred and Twenty Five Million Accelerated Share Repurchase Program [Member] 325 Million Second Accelerated Share Repurchase Counterparty Name [Axis] Counterparty Name [Axis] Number of co defendants Loss Contingency, Number Of Codefendants Loss Contingency, Number Of Codefendants Unsecured Fixed Rate Notes 4.750 Percent Due March 2026 [Member] Unsecured Fixed Rate Notes 4.750 Percent Due March 2026 Unsecured notes bearing fixed rate interest at 4.75% due March 2026 Accrued Liabilities Accrued Liabilities [Member] Antidilutive Securities, Name [Domain] Number of demand letter received Loss Contingency, Number of Demand Letter Received Loss Contingency, Number of Demand Letter Received Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Balance of cash and cash equivalents at beginning of period Balance of cash and cash equivalents at end of period Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Statistical Measurement [Domain] Statistical Measurement [Domain] Total current assets Assets, Current Document Period End Date Document Period End Date Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy and NAV [Domain] Merger Related Lawsuits Merger Related Lawsuits [Member] Merger Related Lawsuits Number of radio stations Number Of Radio Stations Number Of Radio Stations Long-term debt Long-Term Debt [Text Block] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] RSUs Restricted Stock Units (RSUs) [Member] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Line of Credit Line of Credit [Member] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Antidilutive Security, Excluded EPS Calculation [Table] Decrease in accumulated amortization Finite-Lived Intangible Assets, Decrease In Accumulated Amortization Finite-Lived Intangible Assets, Decrease In Accumulated Amortization Unused borrowing capacity Debt Instrument, Unused Borrowing Capacity, Amount Stock repurchase program, period in force Share Repurchase Program, Period in Force Total liabilities Liabilities Income before income taxes Income before income taxes Income (Loss) Attributable to Parent, before Tax Teton Parent Corp Teton Parent Corp [Member] Teton Parent Corp Dividends, Total Dividends Clay, Massey & Associates, P.C. v. Gray Television Clay, Massey & Associates, P.C. v. Gray Television [Member] Clay, Massey & Associates, P.C. v. Gray Television [Member] Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Restricted stock units Restricted Stock [Member] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-Lived Intangible Assets, Major Class Name [Domain] Amount of intangible contract asset Gross Finite-Lived Intangible Assets, Gross Diluted shares (in shares) Weighted average number of common shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Entity File Number Entity File Number Dividends paid Payments of Ordinary Dividends, Common Stock Cover [Abstract] Cover [Abstract] Total intangible and other assets Intangible Assets And Other Assets Noncurrent Sum of the carrying amounts as of the balance sheet date of goodwill, indefinite-lived and amortizable intangible assets, less accumulated amortization, deferred income taxes, and investments and other assets. Contingent consideration earnouts. Contingent Consideration Earnouts Maximum value of earnouts Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Income tax effect Reclassification from AOCI, Current Period, Tax MadHive Inc MadHive Inc [Member] MadHive Inc Pension liabilities Liability, Defined Benefit Pension Plan, Noncurrent Pension liabilities Number of operating segments Number of Operating Segments Corporate - General and administrative expenses General and Administrative Expense Subsequent Event [Table] Nexstar Media Group, Inc [Member] Nexstar Media Group, Inc. Nexstar Media Group, Inc Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Share Repurchase Program, Expiration Date Share repurchase program expiration date Retransmission agreements Transmission Service Agreement [Member] Pre-tax gain on sale of equity method investment Equity Method Investment, Realized Gain (Loss) on Disposal Total indefinite-lived and amortizable intangible assets Intangible Assets, Gross (Excluding Goodwill) New Accounting Pronouncements, Policy [Policy Text Block] Accounting guidance recently adopted and New accounting guidance not yet adopted Impairment of other equity investments Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Depreciation Depreciation Other receivables Other Receivables, Net, Current Other receivables Debt instrument, covenant, leverage ratio, step-up. Debt instrument, covenant, leverage ratio, step-up Leverage ratio, step-up Number of television stations Number Of Television Stations Number of Television Stations Depreciation and amortization Depreciation, Depletion and Amortization Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Amortization of prior service cost (credit) Document Transition Report Document Transition Report Accrued liabilities Accrued Liabilities, Current [Abstract] Asset impairment and other Asset Impairment Charges Repurchase of common stock Payments for Repurchase of Common Stock Litigation Status [Axis] Litigation Status [Axis] Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Payments to Acquire Businesses, Net of Cash Acquired, Total Payments to Acquire Businesses, Net of Cash Acquired Payments for acquisitions of businesses and assets, net of cash acquired Accumulated other comprehensive loss Equity [Text Block] Share repurchase program Earnings per share Earnings Per Share [Text Block] Weighted average number of common shares outstanding: Weighted Average Number Of Common Shares Outstanding: [Abstract] Weighted Average Number Of Common Shares Outstanding: Net income attributable to TEGNA Inc. Treasury stock shares and dividend repurchases. Treasury Stock Shares And Dividend Repurchases Return of capital to shareholders Bonus Depreciation Percentage Bonus depreciation percentage. Bonus depreciation percentage for qualified property Earnout Payment Earnout payment. Earnout payment Reclassification of fees under previous credit facility agreement. Reclassification of fees under previous credit facility agreement Intangible Assets, Net (Excluding Goodwill) Indefinite-lived and amortizable intangible assets, less accumulated amortization of $257,433 and $289,949, respectively Indefinite-lived and amortizable intangible assets, less accumulated amortization of $211,691 and $185,175, respectively Settlement amount Litigation Settlement, Amount Awarded to Other Party Distribution [Member] Distribution. Distribution ASSETS Assets [Abstract] Total Investments and other assets Investments and Other Noncurrent Assets Repayments of Debt Repayment of debt Debt repayment Debt repayment Document Fiscal Year Focus Document Fiscal Year Focus Schedule of Accumulated Other Comprehensive Loss Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Redeemable noncontrolling interest Increase (Decrease) in Temporary Equity [Roll Forward] Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Retirement Benefits [Abstract] Retirement Benefits [Abstract] Accounts payable Accounts Payable, Current Accounts payable Interest Expense, Nonoperating, Total Interest Expense, Nonoperating Interest expense Contracts payable for programming rights Program Rights Obligations, Current Repurchase of noncontrolling interest in Premion Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] Amortization of prior service (credit) cost Pending Litigation Pending Litigation [Member] Schedule of Other Assets Schedule of Other Assets [Table Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Treasury stock value acquired not yet have been paid. Treasury Stock Value Acquired Not Yet Have Been Paid Treasury stock value acquired not yet have been paid Schedule of Indefinite-Lived Intangible Assets [Table] Intangible Asset, Indefinite-Lived [Table] Deferred Debt Issuance Cost, Writeoff Unamortized debt issuance costs Earnings available to common shareholders, basic Net Income (Loss) Available to Common Stockholders, Basic Increase (Decrease) In Accrued Interest And Taxes Increase (Decrease) In Accrued Interest And Taxes (Decrease) increase in interest and taxes payable Payment for Contingent Consideration Liability, Financing Activities Payment for acquisition-related earnout consideration Debt Instrument [Axis] Debt Instrument [Axis] Interest cost on benefit obligation Defined Benefit Plan, Interest Cost Share-Based Payment Arrangement [Abstract] Debt instrument, covenant, springing maturity, term. Debt instrument, covenant, springing maturity, term Springing maturity, term Revenues Revenues, Total Revenue Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Net cash flow (used for) provided by investing activities Title of 12(b) Security Title of 12(b) Security December2023 Share Repurchase Program. December2023 Share Repurchase Program [Member] December2023 Share Repurchase Program Related Party [Domain] Related and Nonrelated Parties [Domain] Other noncurrent liabilities Other Liabilities, Noncurrent Other noncurrent liabilities Reconciliation of Revenue from Segments to Consolidated [Table] Letters of Credit Outstanding, Amount Letters of credit outstanding Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Number of markets in which entity operates Number of Markets In Which Entity Operates Number of Markets In Which Entity Operates Additional paid-in capital Additional Paid-in Capital [Member] Share repurchase program, authorized amount Share Repurchase Program, Authorized, Amount Shares approved to be repurchased under share repurchase program, amount (up to) Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Senior Notes [Member] Senior Notes Trading Symbol Trading Symbol Subsequent Event Type [Axis] Subsequent Event Type [Axis] Realized gain on available-for-sale investment Realized Gain On Available-For-Sale Investment [Member] Realized Gain On Available-For-Sale Investment Compensation Employee-related Liabilities, Current Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Business combination earnout consideration fair value. Business Combination Earnout Consideration Fair Value Earnout consideration, fair value Equity Components [Axis] Equity Components [Axis] Accounts payable Accounts Payable Total Nonoperating Income (Expense) Equity Component [Domain] Equity Component [Domain] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Schedule of Reconciliations Between Revenue and the Primary Measures of Profit or Loss and Include our Significant Expense Measures Business Acquisition [Axis] Business Combination [Axis] 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] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Octillion Media. Octillion Media [Member] Octillion Media Maximum [Member] Maximum Statistical Measurement [Axis] Statistical Measurement [Axis] Accumulated Amortization Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Common Stock, Value, Issued Common stock of $1 per value per share, 800,000,000 shares authorized, 324,418,632 shares issued Common stock of $1 per value per share, 800,000,000 shares authorized, 324,418,632 shares issued Earnings available to common shareholders, diluted Net Income (Loss) Available to Common Stockholders, Diluted Line of Credit Facility, Expiration Date Line of credit facility, expiration date Litigation Status [Domain] Litigation Status [Domain] Schedule of Reclassification out of Accumulated Other Comprehensive Loss Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Consolidation Consolidation, Policy [Policy Text Block] Total equity Equity, Including Portion Attributable to Noncontrolling Interest Beginning Balance Ending Balance Adjustment for working capital and maximum earnout. Adjustment for working capital and maximum earnout Intangible Contract Asset Intangible Contract Asset [Member] Intangible Contract Asset Broadcast Music Inc. Broadcast Music Inc [Member] Broadcast Music Inc Unsecured notes bearing fixed rate interest at 7.75% due June 2027 Unsecured Fixed Rate Notes 7.75 Percent Due June 2027 [Member] Unsecured Fixed Rate Notes 7.75 Percent Due June 2027 [Member] Number of other broadcasters settling DOJ complaint (defendant) Loss Contingency, Number of Defendants Interest Interest Payable, Current Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive loss attributable to redeemable noncontrolling interest Total Costs and Expenses Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Schedule of Long-Term Debt Schedule of Debt [Table Text Block] Adjustment of redeemable noncontrolling interest to redemption value Temporary Equity, Accretion to Redemption Value, Adjustment Schedule of Business Acquisitions, by Acquisition [Table] Business Combination [Table] Entity Registrant Name Entity Registrant Name Number of shares repurchased (in shares) Treasury Stock, Shares, Acquired Shares repurchased under share repurchase program (in shares) Other non-operating items, net Other Nonoperating Income (Expense) Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Subsequent Events [Abstract] Provision for income taxes Income Tax Expense (Benefit) Repurchase of common stock Stock Repurchased During Period, Value Operating expenses: Costs and Expenses [Abstract] Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Consolidation Items [Axis] Purchase of property and equipment Payments to Acquire Property, Plant, and Equipment Total assets Assets Number of covenants Debt Instrument, Number Of Covenants Debt Instrument, Number Of Covenants Loss contigency, settlement agreement date, approved by court Loss Contingency, Settlement Agreement, Date Income Statement [Abstract] Income Statement [Abstract] Adjustment of redeemable noncontrolling interest to redemption value Reclassifications of Temporary to Permanent Equity Amortization of actuarial loss Defined Benefit Plan, Amortization of Gain (Loss) Contract with Customer, Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] Other segment items Other Segment Expense Items Other segment expense items. Network affiliation agreements Network Affiliation Agreements [Member] Network Affiliation Agreements [Member] Diluted (in dollars per share) Earnings Per Share, Diluted Net income per share - diluted (in dollars per share) Operating Segments [Member] Operating Segments Four Zero One K Match Shares [Member] Four zero one K match shares. 401(k) match shares City Area Code City Area Code Other comprehensive income, net of tax Other Comprehensive Income (Loss), Net of Tax Other comprehensive income, net of tax Schedule of Defined Benefit Plans Disclosures [Table Text Block] Schedule of Pension Costs (Income) Television and radio station FCC broadcast licenses Licensing Agreements [Member] Schedule of Intangible Assets and Goodwill [Table Text Block] Schedule of Indefinite-Lived Intangible Assets and Amortizable Intangible Assets Maximum borrowing capacity under credit facility Line of Credit Facility, Maximum Borrowing Capacity Business Acquisition [Line Items] Business Combination [Line Items] Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan [Table] Other Other Intangible Assets [Member] Counterparty Name [Domain] Counterparty Name [Domain] Agreement term extension period Related Party Transaction, Agreement Term Extension Period Related Party Transaction, Agreement Term Extension Period Litigation Case [Axis] Litigation Case [Axis] Letter of Credit [Member] Letter of Credit Net property and equipment Property, Plant and Equipment, Net Operating income Operating Income (Loss) Retained earnings Retained Earnings [Member] Amortization of actuarial loss Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] Share-Based Payment Arrangement, Noncash Expense Employee stock-based compensation awards Termination fee to be paid Business Combination Termination Fee To Be Paid Business combination termination fee to be paid Total noncurrent liabilities Liabilities, Noncurrent Operating lease liabilities Operating Lease, Liability, Noncurrent Net cash flow used for financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Unamortized Debt Issuance Expense Unamortized debt issuance costs Unsecured notes bearing fixed rate interest at 7.25% due September 2027 Unsecured Fixed Rate Notes 7.25 Percent Due September 2027 [Member] Unsecured Fixed Rate Notes 7.25 Percent Due September 2027 [Member] Deferred Income Tax Liabilities, Net Net deferred income tax liabilities Non-operating (expense) income: Nonoperating Income (Expense) [Abstract] Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel [Axis] One Investment One Investment [Member] One Investment Debt Securities, Available-for-sale [Table] Debt Securities, Available-for-Sale [Table] Entity Interactive Data Current Entity Interactive Data Current Increase in deferred revenue Increase (Decrease) in Contract with Customer, Liability Costs and Expenses, Related Party Cost of revenues Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Total Recognition of foreign currency translation adjustments Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Segment Reporting, Revenue Reconciling Item [Line Items] Dividends declared per share (in dollars per share) Common Stock, Dividends, Per Share, Declared Dilutive Securities, Effect on Basic Earnings Per Share [Abstract] Effect of dilutive securities: Debt instrument, covenant, leverage ratio, maximum. Debt instrument, covenant, leverage ratio, maximum Debt instrument covenant consolidated leverage ratio Entity Tax Identification Number Entity Tax Identification Number Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Termination fee paid in shares (in shares) Business Combination, Termination Fee, Paid In Shares Business Combination, Termination Fee, Paid In Shares Debt Instrument, Term Debt instrument, term Proceeds from maturity of debt securities available for sale Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Loss Contingency, New Claims Filed, Number Number of lawsuits filed Local Phone Number Local Phone Number Related Party Transaction [Domain] Related Party Transaction [Domain] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Expense for company-sponsored retirement plans Redeemable Noncontrolling interest Temporary Equity, Policy [Policy Text Block] Temporary Equity, Policy Long-term contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent Accounting Policies [Abstract] Accounting Policies [Abstract] Payments for clean energy tax credits Payments for clean energy tax credits Payments for clean energy tax credits. Other comprehensive income before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Revenues Total revenues Revenue from Contract with Customer, Excluding Assessed Tax Available-For-Sale Investment AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Labor and Related Expense Employee compensation Impairment Charge on Reclassified Assets Impairment charge Accumulated Amortization Goodwill, Impaired, Accumulated Impairment Loss Entity Emerging Growth Company Entity Emerging Growth Company Indefinite-lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets [Axis]