Income Taxes - Additional Information (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Operating Loss Carryforwards [Line Items] | ||||
| Income tax expense (benefit) | $ 93 | $ 31 | $ 150 | $ 111 |
| Effective income tax rates | 27.10% | 32.30% | 22.30% | 30.50% |
| Consolidated VIEs [Member] | ||||
| Operating Loss Carryforwards [Line Items] | ||||
| Decrease to effective tax rate related to changes in the valuation allowance | (4.80%) | |||
| TEGNA Inc [Member] | ||||
| Operating Loss Carryforwards [Line Items] | ||||
| Income tax expense (benefit) | $ (47) | |||
| Decrease to effective tax rate related to changes in the valuation allowance | (6.90%) | |||
| TEGNA Inc [Member] | State Tax [Member] | Consolidated VIEs [Member] | ||||
| Operating Loss Carryforwards [Line Items] | ||||
| Decrease to effective tax rate related to changes in the valuation allowance | (0.70%) | |||
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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