SCHEDULE I (Parent Company Information) CONDENSED BALANCE SHEETS (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2013 Liberty Global plc [Member]	Jun. 07, 2013 Liberty Global plc [Member]	Jun. 07, 2013 Liberty Global, Inc. [Member]	Dec. 31, 2012 Liberty Global, Inc. [Member]	Dec. 31, 2011 Liberty Global, Inc. [Member]	Dec. 31, 2010 Liberty Global, Inc. [Member]	Dec. 31, 2013 Class A ordinary shares, $0.01 nominal value. Issued and outstanding 222,081,117 and nil shares, respectively	Dec. 31, 2012 Class A ordinary shares, $0.01 nominal value. Issued and outstanding 222,081,117 and nil shares, respectively	Dec. 31, 2013 Class B ordinary shares, $0.01 nominal value. Issued and outstanding 10,147,184 and nil shares, respectively	Dec. 31, 2012 Class B ordinary shares, $0.01 nominal value. Issued and outstanding 10,147,184 and nil shares, respectively	Dec. 31, 2013 Class C ordinary shares, $0.01 nominal value. Issued and outstanding 161,996,684 and nil shares, respectively	Dec. 31, 2012 Class C ordinary shares, $0.01 nominal value. Issued and outstanding 161,996,684 and nil shares, respectively	Dec. 31, 2013 Series A common stock, $0.01 par value. Authorized 500,000,000 shares; issued and outstanding nil and 142,284,430 shares, respectively	Dec. 31, 2012 Series A common stock, $0.01 par value. Authorized 500,000,000 shares; issued and outstanding nil and 142,284,430 shares, respectively	Dec. 31, 2012 Series A common stock, $0.01 par value. Authorized 500,000,000 shares; issued and outstanding nil and 142,284,430 shares, respectively Liberty Global, Inc. [Member]	Dec. 31, 2013 Series B common stock, $0.01 par value. Authorized 50,000,000 shares; issued and outstanding nil and 10,206,145 shares, respectively	Dec. 31, 2012 Series B common stock, $0.01 par value. Authorized 50,000,000 shares; issued and outstanding nil and 10,206,145 shares, respectively	Dec. 31, 2012 Series B common stock, $0.01 par value. Authorized 50,000,000 shares; issued and outstanding nil and 10,206,145 shares, respectively Liberty Global, Inc. [Member]	Dec. 31, 2013 Series C common stock, $0.01 par value. Authorized 500,000,000 shares; issued and outstanding nil and 106,402,667 shares, respectively	Dec. 31, 2012 Series C common stock, $0.01 par value. Authorized 500,000,000 shares; issued and outstanding nil and 106,402,667 shares, respectively	Dec. 31, 2012 Series C common stock, $0.01 par value. Authorized 500,000,000 shares; issued and outstanding nil and 106,402,667 shares, respectively Liberty Global, Inc. [Member]
Current assets:
Cash and cash equivalents	$ 2,701.9	$ 2,038.9	$ 1,651.2	$ 3,847.5	$ 290.7	$ 0	$ 27.7	$ 69.4	$ 256.1	$ 1,031.8
Interest receivables — related-party					247.1
Other receivables — related-party					260.4
Deferred income taxes	226.1	98.4						0.8
Other current assets	715.1	516.9			9.6			2.1
Total current assets	5,482.6	3,725.8			807.8			72.3
Long-term notes receivable — related-party					9,557.6
Investments in consolidated subsidiaries, including intercompany balances					1,742.8			2,202.6
Property and equipment, at cost	34,901.1	21,817.0						4.7
Accumulated depreciation	(10,926.2)	(8,379.4)						(2.8)
Property and equipment, net	23,974.9	13,437.6						1.9
Deferred income taxes	2,641.8	166.2						26.1
Other assets, net					3.0
Total assets	67,714.3	38,307.7			12,111.2			2,302.9
Current liabilities:
Accounts payable	1,072.9	774.0			11.4			19.5
Accrued liabilities and other	2,344.0	1,460.4			53.8			30.9
Total current liabilities	7,683.0	4,620.3			65.2			50.4
Long-term notes payable — related-party					18.6
Other long-term liabilities	4,789.1	4,441.3			1.6			42.5
Total liabilities	56,172.8	36,222.6			85.4			92.9
Commitments and contingencies
Common stock											2.2	0	0.1	0	1.6	0	0	1.4	1.4	0	0.1	0.1	0	1.1	1.1
Additional paid-in capital	12,813.4	2,955.6						2,955.6
Accumulated deficit	(3,312.6)	(2,348.7)						(2,348.7)
Accumulated other comprehensive earnings, net of taxes	2,528.8	1,600.5						1,600.5
Treasury shares, at cost	(7.7)	0
Total stockholders’ equity	12,025.8	2,210.0			12,025.8			2,210.0
Total liabilities and equity	$ 67,714.3	$ 38,307.7			$ 12,111.2			$ 2,302.9