Goodwill and Intangible Assets - Schedule of Goodwill (Details) - USD ($) $ in Millions |
Jun. 30, 2025 |
Dec. 31, 2024 |
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| Goodwill and Intangible Assets Disclosure [Abstract] | ||
| Goodwill, less accumulated impairment losses | $ 5,650 | $ 6,955 |
| Intangible assets, less accumulated amortization | 100 | 84 |
| Goodwill, accumulated impairment losses | 2,405 | 2,405 |
| Intangible assets, accumulated amortization | 1,648 | $ 1,841 |
| Held-for-sale | Lumen Mass Markets fiber-to-the-home business | ||
| Goodwill [Line Items] | ||
| Goodwill | $ 1,305 |
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- Definition Amount classified as goodwill attributable to disposal group held for sale or disposed of. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition Amount of accumulated impairment loss for asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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