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Intangible Assets - Narrative (Details) $ in Millions | 3 Months Ended | 12 Months Ended | 39 Months Ended
--- | --- | --- | ---
Mar. 31, 2023 USD ($) | Mar. 31, 2022 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) license | Dec. 31, 2020 USD ($) | Dec. 31, 2024 USD ($)
Licenses |  |  |  |  |  |
Cash paid for intangible assets | $ 5 | $ 568 |  |  |  |
Auction 107 |  |  |  |  |  |
Licenses |  |  |  |  |  |
Licenses won | license |  |  |  | 254 |  |
Total winning bid |  |  |  | $ 1,283 |  |
FCC upfront payment |  |  |  |  | $ 30 |
Cash paid for intangible assets | 3 |  | $ 8 | $ 36 |  |
Auction 107 | Subsequent event |  |  |  |  |  |
Licenses |  |  |  |  |  |
Cash paid for intangible assets |  |  |  |  |  | $ 185
Auction 107 | UScellular | Other current liabilities |  |  |  |  |  |
Licenses |  |  |  |  |  |
Short-term spectrum license liabilities | $ 139 |  | 133 |  |  |
Auction 107 | UScellular | Other deferred liabilities and credits |  |  |  |  |  |
Licenses |  |  |  |  |  |
Long-term spectrum license liabilities |  |  | $ 8 |  |  |

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