Acquisitions and Dispositions (Pro Forma Information) (Details) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($) $ / shares
Acquisitions and Dispositions [Abstract]
Revenue (in millions) | $	$ 1,225.6
Net earnings from continuing operations attributable to Liberty Global shareholders (in millions) | $	$ 626.9
Basic earnings from continuing operations attributable to Liberty Global shareholders per share (in dollars per share) | $ / shares	$ 1.66
Diluted earnings from continuing operations attributable to Liberty Global shareholders per share (in dollars per share) | $ / shares	$ 1.63