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FCC Licenses - Discounted Cash Flow Analyses (Detail) | 3 Months Ended
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Jun. 30, 2022
Measurement Input, Discount Rate [Member] |
Fair Value Inputs Asset Quantitative Information [Line Items] |
Fair value assumptions inputs rate | 9.50%
Minimum [Member] |
Fair Value Inputs Asset Quantitative Information [Line Items] |
Market revenue shares at maturity | 0.60%
Operating income margins at maturity | 19.20%
Minimum [Member] | Measurement Input, Long-term Revenue Growth Rate [Member] |
Fair Value Inputs Asset Quantitative Information [Line Items] |
Fair value assumptions inputs rate | (1.90%)
Maximum [Member] |
Fair Value Inputs Asset Quantitative Information [Line Items] |
Market revenue shares at maturity | 44.00%
Operating income margins at maturity | 32.60%
Maximum [Member] | Measurement Input, Long-term Revenue Growth Rate [Member] |
Fair Value Inputs Asset Quantitative Information [Line Items] |
Fair value assumptions inputs rate | 15.90%

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