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Acquisitions and Dispositions (Pro Forma Information) (Details) $ / shares in Units, $ in Millions | 3 Months Ended
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Mar. 31, 2020 USD ($) $ / shares
Acquisitions and Dispositions [Abstract] |
Revenue | $ 3,350.4
Net earnings attributable to Liberty Global shareholders | $ 895.9
Basic and diluted loss from continuing operations attributable to Liberty Global shareholders per share (in dollars per share) | $ / shares | $ 1.42

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