Acquisitions and Dispositions (Pro Forma Information) (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | 6 Months Ended |
|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2024 |
|
| Acquisitions and Dispositions [Abstract] | ||
| Revenue (in millions) | $ 1,139.5 | $ 2,365.1 |
| Net earnings from continuing operations attributable to Liberty Global shareholders (in millions) | $ 310.3 | $ 937.2 |
| Basic earnings from continuing operations attributable to Liberty Global shareholders per share (in dollars per share) | $ 0.84 | $ 2.50 |
| Diluted earnings from continuing operations attributable to Liberty Global shareholders per share (in dollars per share) | $ 0.82 | $ 2.46 |