v3.10.0.1

Acquisitions (Proforma Information Schedule and Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue | $ 2,949.1 | $ 2,929.7 | $ 3,015.6 | $ 3,063.5 | $ 2,987.8 | $ 2,899.3 | $ 2,746.8 | $ 2,642.5 | $ 11,957.9 | $ 11,276.4 | $ 13,731.1
Net earnings (loss) | $ 25.1 | $ 974.1 | $ 912.6 | $ (1,186.5) | $ (992.0) | $ (791.6) | $ (674.3) | $ (320.2) | $ 725.3 | $ (2,778.1) | 1,705.3
BASE |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  | 597.1
Net earnings (loss) |  |  |  |  |  |  |  |  |  |  | (2.1)
Liberty Global Shares | BASE |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  |  | 13,805.5
Net earnings (loss) from continuing operations attributable to Liberty Global shareholders: |  |  |  |  |  |  |  |  |  |  | $ 1,621.0
Basic (in dollars per share) |  |  |  |  |  |  |  |  |  |  | $ 1.82
Diluted (in dollars per share) |  |  |  |  |  |  |  |  |  |  | $ 1.80

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