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Intangible Assets - Narrative (Details) $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2024 USD ($) license | Sep. 30, 2023 USD ($) | Sep. 30, 2024 USD ($) license | Sep. 30, 2023 USD ($) | Jun. 30, 2024 license | Dec. 31, 2023 USD ($)
Licenses |  |  |  |  |  |
FCC Licenses, number of accounting units | license | 12 |  | 12 |  | 2 |
Loss on impairment of licenses | $ 136 | $ 0 | $ 136 | $ 0 |  |
Licenses | $ 4,586 |  | $ 4,586 |  |  | $ 4,702
Minimum |  |  |  |  |  |
Licenses |  |  |  |  |  |
Wireless spectrum license fair value exceeds carrying value | 9.00% |  | 9.00% |  |  |
Maximum |  |  |  |  |  |
Licenses |  |  |  |  |  |
Wireless spectrum license fair value exceeds carrying value | 80.00% |  | 80.00% |  |  |
High-band spectrum |  |  |  |  |  |
Licenses |  |  |  |  |  |
Licenses | $ 161 |  | $ 161 |  |  |

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