CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Income Statement [Abstract]
Total consolidated revenue	$ 1,171.2	$ 1,091.3
Operating costs and expenses (exclusive of depreciation and amortization, shown separately below):
Programming and other direct costs of services (note 10)	403.4	394.5
Other operating (notes 10 and 13)	191.2	190.1
Selling, general and administrative (SG&A) (notes 10 and 13)	285.4	262.7
Depreciation and amortization	232.2	222.7
Impairment, restructuring and other operating items, net (note 10)	(1.7)	33.6
Operating costs and expenses	1,110.5	1,103.6
Operating income (loss)	60.7	(12.3)
Non-operating income (expense):
Interest expense	(127.5)	(145.5)
Realized and unrealized gains (losses) on derivative instruments, net (note 6)	(164.7)	133.3
Foreign currency transaction gains (losses), net	(1,081.0)	559.3
Realized and unrealized gains due to changes in fair values of certain investments, net (notes 5 and 7)	55.8	113.1
Losses on debt extinguishment, net	(8.0)	0.0
Share of results of affiliates, net (note 5)	(148.0)	(7.0)
Other income, net	19.4	36.4
Non-operating income (expense)	(1,454.0)	689.6
Earnings (loss) from continuing operations before income taxes	(1,393.3)	677.3
Income tax benefit (expense) (note 11)	70.0	(42.8)
Earnings (loss) from continuing operations	(1,323.3)	634.5
Loss from discontinued operations	0.0	(107.5)
Net earnings (loss)	(1,323.3)	527.0
Net earnings attributable to noncontrolling interests	(14.0)	(17.0)
Net earnings (loss) attributable to Liberty Global shareholders	$ (1,337.3)	$ 510.0
Basic earnings (loss) attributable to Liberty Global shareholders per share (note 14):
Continuing operations (in USD per share)	$ (3.84)	$ 1.63
Discontinued operations (in USD per share)	0	(0.28)
Basic earnings (loss) attributable to Liberty Global shareholders per share (in USD per share)	(3.84)	1.35
Diluted earnings (loss) attributable to Liberty Global shareholders per share (note 14):
Continuing operations (in USD per share)	(3.84)	1.60
Discontinued operations (in USD per share)	0	(0.28)
Diluted earnings (loss) attributable to Liberty Global shareholders per share (in USD per share)	$ (3.84)	$ 1.32