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Note 10 - Goodwill and Intangible Assets - Changes in Goodwill and Other Intangibles, Net (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Goodwill | $ 2,642 |  | $ 2,642
Goodwill | 0 |  |
Goodwill | 0 |  |
Broadcast licenses | 5,310 |  | 5,311
Finite-lived intangible assets | 203 |  | 290
Finite-lived intangible assets | (28) | $ 0 |
Finite-lived intangible assets | (57) | $ (63) |
Total intangible assets net of accumulated amortization | 8,155 |  | 8,243
Total intangible assets net of accumulated amortization | (3) |  |
Total intangible assets net of accumulated amortization | (28) |  |
Finite-lived Intangible Assets [Member] |  |  |
Broadcast licenses | (2) |  |
Finite-lived intangible assets | 203 |  | 290
Finite-lived intangible assets | (28) |  |
Finite-lived intangible assets | (57) |  |
Broadcast Licenses [Member] |  |  |
Broadcast licenses | 5,310 |  | $ 5,311
Broadcast licenses | $ (1) |  |

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