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Intangible Assets - Narrative (Details) $ in Millions |  | 12 Months Ended
--- | --- | ---
Dec. 31, 2024 USD ($) | Dec. 31, 2022 USD ($) license | Dec. 31, 2021 USD ($) license | Dec. 31, 2020 USD ($)
Licenses |  |  |  |
Cash paid for licenses |  | $ 585 | $ 1,302 | $ 171
Auction 107 |  |  |  |
Licenses |  |  |  |
Licenses won | license |  |  | 254 |
Total winning bid |  |  | $ 1,283 |
FCC Upfront Payment |  |  |  | $ 30
Cash paid for licenses |  | 8 | 36 |
Auction 107 | Other current liabilities |  |  |  |
Licenses |  |  |  |
Short-term spectrum license liabilities |  | 133 | 17 |
Auction 107 | Other deferred liabilities and credits |  |  |  |
Licenses |  |  |  |
Long-term spectrum license liabilities |  | $ 8 | 128 |
Auction 107 | Subsequent event |  |  |  |
Licenses |  |  |  |
Cash paid for licenses | $ 185 |  |  |
Auction 110 |  |  |  |
Licenses |  |  |  |
Licenses won | license |  | 380 |  |
Total winning bid |  | $ 580 |  |
FCC Upfront Payment |  |  | $ 20 |

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