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Broadcast Licenses, Goodwill and Other Intangible Assets (Schedule of certain key estimates and assumptions used in impairment test) (Details) | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
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Measurement Input, Discount Rate [Member] | Minimum [Member] |  |  |
Impairment measurement input | 12.3 | 12.6 | 12.2
Measurement Input, Discount Rate [Member] | Maximum [Member] |  |  |
Impairment measurement input | 12.6 | 13.0 | 12.2
Measurement Input Operating Profit Margin [Member] | Minimum [Member] |  |  |
Impairment measurement input | 17.8 | 17.8 | 19.0
Measurement Input Operating Profit Margin [Member] | Maximum [Member] |  |  |
Impairment measurement input | 36.4 | 36.4 | 36.4
Measurement Input, Long-term Revenue Growth Rate [Member] | Minimum [Member] |  |  |
Impairment measurement input | 0.2 | 0.2 | 0.0
Measurement Input, Long-term Revenue Growth Rate [Member] | Maximum [Member] |  |  |
Impairment measurement input | 2.6 | 2.9 | 2.9

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- Definition Impairment measurement input. + References No definition available. + Details
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- Details
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- Details
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- Details
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