Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 1,689.6	$ 1,629.2
Trade receivables, net	1,871.8	1,906.5
Restricted cash (note 8)	728.6	34.0
Derivative instruments (note 5)	345.1	412.7
Prepaid expenses	255.2	209.4
Receivable from the VodafoneZiggo JV (note 4)	0.0	2,346.6
Other current assets:
Third-party	446.8	492.4
Related-party — VodafoneZiggo JV (note 4)	67.4	21.0
Total current assets	5,404.5	7,051.8
Investments and related note receivables (including $2,070.2 million and $2,057.2 million, respectively, measured at fair value on a recurring basis) (note 4)	6,679.7	6,483.7
Property and equipment, net (note 7)	22,769.3	21,110.2
Goodwill (note 7)	24,685.5	23,366.3
Intangible assets subject to amortization, net (note 7)	3,469.8	3,657.7
Other assets, net (note 5)	6,800.1	7,014.4
Total assets	69,808.9	68,684.1
Current liabilities:
Accounts payable	1,313.3	1,168.2
Deferred revenue and advance payments from subscribers and others	1,336.9	1,240.1
Current portion of debt and capital lease obligations (note 8)	3,750.7	2,775.1
Accrued capital expenditures	640.4	765.4
Accrued interest	623.5	671.4
Accrued income taxes	467.0	457.9
Other accrued and current liabilities (notes 5 and 12)	2,376.3	2,644.7
Total current liabilities	10,508.1	9,722.8
Long-term debt and capital lease obligations (note 8)	42,944.6	40,783.6
Other long-term liabilities (notes 5, 9, and 12)	3,645.2	3,445.7
Total liabilities	57,097.9	53,952.1
Commitments and contingencies (notes 3, 5, 8, 9 and 14)
Liberty Global shareholders:
Additional paid-in capital	15,382.0	17,578.2
Accumulated deficit	(4,434.0)	(3,454.8)
Accumulated other comprehensive earnings (loss), net of taxes	738.4	(372.4)
Treasury shares, at cost	(0.2)	(0.3)
Total Liberty Global shareholders	11,696.3	13,761.3
Noncontrolling interests	1,014.7	970.7
Total equity	12,711.0	14,732.0
Total liabilities and equity	69,808.9	68,684.1
Liberty Global Group [Member]
Current assets:
Derivative instruments (note 5)	336.0	405.5
Other current assets:
Property and equipment, net (note 7)	18,717.9	17,249.3
Goodwill (note 7)	18,603.6	17,063.7
Intangible assets subject to amortization, net (note 7)	2,192.9	2,423.2
Liberty Global shareholders:
Total equity	8.4	8.9
Liberty Global Group [Member] | Common Class A [Member]
Liberty Global shareholders:
Common stock	2.3	2.5
Total equity	2.3	2.5
Liberty Global Group [Member] | Common Class B [Member]
Liberty Global shareholders:
Common stock	0.1	0.1
Total equity	0.1	0.1
Liberty Global Group [Member] | Common Class C [Member]
Liberty Global shareholders:
Common stock	6.0	6.3
Total equity	6.0	6.3
LiLAC Group [Member]
Current assets:
Derivative instruments (note 5)	9.1	7.2
Other current assets:
Property and equipment, net (note 7)	4,051.4	3,860.9
Goodwill (note 7)	6,081.9	6,302.6
Intangible assets subject to amortization, net (note 7)	1,276.9	1,234.5
Liberty Global shareholders:
Total equity	1.7	1.7
LiLAC Group [Member] | Common Class A [Member]
Liberty Global shareholders:
Common stock	0.5	0.5
Total equity	0.5	0.5
LiLAC Group [Member] | Common Class B [Member]
Liberty Global shareholders:
Common stock	0.0	0.0
Total equity	0.0	0.0
LiLAC Group [Member] | Common Class C [Member]
Liberty Global shareholders:
Common stock	1.2	1.2
Total equity	$ 1.2	$ 1.2