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Other Financial Information - Other Current Liabilities (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2025 | Dec. 31, 2024
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |
Current affiliate obligation | $ 48 | $ 48
Current operating lease liability | 13 | 15
Other | 44 | 54
Total Other current liabilities | 105 | 117
Capital expenditures | 9 | $ 57
Held-for-sale | Lumen Mass Markets fiber-to-the-home business |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Other current liabilities | 2 |
Accounts payable | $ 17 |

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