v3.10.0.1

Dispositions and the VodafoneZiggo JV Transaction (Pending and Completed Dispositions) (Details) - USD ($) $ / shares in Units, $ in Millions	7 Months Ended	12 Months Ended
	Jul. 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating results of discontinued operations
Earnings before income taxes		$ (426.4)	$ (499.9)	$ (480.3)
Discontinued operations		$ 2,261.5	(370.6)	117.0
Discontinued Operations
Operating results of discontinued operations
Revenue			7,362.5	6,277.7
Operating income			974.8	1,214.0
Earnings before income taxes			(96.0)	306.1
Income tax benefit (expense)			(274.6)	(189.1)
Discontinued operations			(370.6)	117.0
Net earnings attributable to noncontrolling interests			13.8	(36.2)
Net earnings attributable to Liberty Global shareholders			$ (356.8)	$ 80.8
Basic earnings from discontinued operations attributable to Liberty Global shareholders per Liberty Global share (in dollars per share)		$ 1.49	$ 0.56	$ 0.38
Diluted earnings from discontinued operations attributable to Liberty Global shareholders per share (in dollars per share)		$ 1.49	0.56	0.37
Basic and diluted loss from discontinued operations attributable to Liberty Global shareholders per LiLAC Share (in dollars per share)			$ (4.86)	$ (2.30)
Weighted average ordinary shares outstanding (LiLAC Shares) - basic and diluted (in shares)			171,846,133	110,868,650
Discontinued Operations, Disposed of by Sale
Assets:
Current assets other than cash		$ 356.5	$ 276.0
Property and equipment, net		5,671.1	5,838.3
Goodwill		3,986.7	4,913.2
Other assets, net		516.8	485.9
Total assets		10,531.1	11,513.4
Liabilities:
Current portion of debt and capital lease obligations		820.2	500.3
Other accrued and current liabilities		1,147.3	1,135.6
Long-term debt and capital lease obligations		9,074.6	9,074.0
Other long-term liabilities		997.8	940.4
Total liabilities		12,039.9	11,650.3
Discontinued Operations, Split-off Transaction
Operating results of discontinued operations
Revenue		3,953.6
Operating income		1,937.7
Earnings before income taxes		1,544.6
Income tax benefit (expense)		(381.2)
Discontinued operations		1,163.4
Net earnings attributable to noncontrolling interests		(4.2)
Net earnings attributable to Liberty Global shareholders		1,159.2
UPC Austria | Discontinued Operations, Disposed of by Sale
Assets:
Current assets other than cash			29.2
Property and equipment, net			451.9
Goodwill			732.2
Other assets, net			3.2
Total assets			1,216.5
Liabilities:
Current portion of debt and capital lease obligations			0.8
Other accrued and current liabilities			77.7
Long-term debt and capital lease obligations			1.5
Other long-term liabilities			76.3
Total liabilities			156.3
UPC Austria | Discontinued Operations, Split-off Transaction
Operating results of discontinued operations
Revenue	$ 252.4		394.9	$ 378.3
Operating income	139.0		150.0	143.0
Earnings before income taxes	138.7		150.0	142.6
Income tax benefit (expense)	(23.3)		(4.5)	(18.3)
Discontinued operations	115.4		145.5	124.3
Net earnings attributable to noncontrolling interests	(4.2)		(6.8)	(7.9)
Net earnings attributable to Liberty Global shareholders	$ 111.2		138.7	116.4
Vodafone Disposal Group | Discontinued Operations, Disposed of by Sale
Assets:
Current assets other than cash		348.0	238.9
Property and equipment, net		5,591.4	5,290.1
Goodwill		3,986.7	4,181.0
Other assets, net		509.4	482.7
Total assets		10,435.5	10,192.7
Liabilities:
Current portion of debt and capital lease obligations		809.0	486.9
Other accrued and current liabilities		1,114.8	1,022.3
Long-term debt and capital lease obligations		9,037.1	9,026.1
Other long-term liabilities		997.5	863.7
Total liabilities		11,958.4	11,399.0
Vodafone Disposal Group | Discontinued Operations, Split-off Transaction
Operating results of discontinued operations
Revenue		3,584.2	3,263.0	3,068.2
Operating income		1,787.0	976.0	748.4
Earnings before income taxes		1,396.3	395.4	256.2
Income tax benefit (expense)		(365.2)	(66.1)	(41.7)
Discontinued operations		1,031.1	329.3	214.5
Net earnings attributable to noncontrolling interests		0.0	0.0	0.0
Net earnings attributable to Liberty Global shareholders		1,031.1	329.3	214.5
UPC DTH | Discontinued Operations, Disposed of by Sale
Assets:
Current assets other than cash		8.5	7.9
Property and equipment, net		79.7	96.3
Goodwill		0.0	0.0
Other assets, net		7.4	0.0
Total assets		95.6	104.2
Liabilities:
Current portion of debt and capital lease obligations		11.2	12.6
Other accrued and current liabilities		32.5	35.6
Long-term debt and capital lease obligations		37.5	46.4
Other long-term liabilities		0.3	0.4
Total liabilities		81.5	95.0
UPC DTH | Discontinued Operations, Split-off Transaction
Operating results of discontinued operations
Revenue		117.0	114.6	107.4
Operating income		11.7	11.7	7.3
Earnings before income taxes		9.6	9.7	5.4
Income tax benefit (expense)		7.3	0.0	0.0
Discontinued operations		16.9	9.7	5.4
Net earnings attributable to noncontrolling interests		0.0	0.0	0.0
Net earnings attributable to Liberty Global shareholders		$ 16.9	9.7	5.4
LiLAC Shares | Discontinued Operations, Split-off Transaction
Operating results of discontinued operations
Revenue			3,590.0	2,723.8
Operating income			(162.9)	315.3
Earnings before income taxes			(651.1)	(98.1)
Income tax benefit (expense)			(204.0)	(129.1)
Discontinued operations			(855.1)	(227.2)
Net earnings attributable to noncontrolling interests			20.6	(28.3)
Net earnings attributable to Liberty Global shareholders			$ (834.5)	$ (255.5)

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