Long-lived Assets (Changes in Carrying Amount of Goodwill) (Details) $ in Millions |
6 Months Ended |
|---|---|
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Jun. 30, 2025
USD ($)
| |
| Goodwill [Roll Forward] | |
| Goodwill beginning balance | $ 3,152.6 |
| Acquisitions and related adjustments | 16.7 |
| Foreign currency translation adjustments and other | 431.7 |
| Goodwill ending balance | 3,601.0 |
| Telenet | |
| Goodwill [Roll Forward] | |
| Goodwill beginning balance | 2,656.4 |
| Acquisitions and related adjustments | 0.6 |
| Foreign currency translation adjustments and other | 363.1 |
| Goodwill ending balance | 3,020.1 |
| VM Ireland | |
| Goodwill [Roll Forward] | |
| Goodwill beginning balance | 250.8 |
| Acquisitions and related adjustments | 0.0 |
| Foreign currency translation adjustments and other | 34.2 |
| Goodwill ending balance | 285.0 |
| Other | |
| Goodwill [Roll Forward] | |
| Goodwill beginning balance | 245.4 |
| Acquisitions and related adjustments | 16.1 |
| Foreign currency translation adjustments and other | 34.4 |
| Goodwill ending balance | $ 295.9 |
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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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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) asset representing future economic benefit 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 Amount of increase (decrease) from measurement period adjustment 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/2009/role/commonPracticeRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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