Debt and Capital Lease Obligations (Unitymedia KabelBW Senior Notes Details of Borrowings) (Schedule) (Details) In Millions, unless otherwise specified	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2013 Unitymedia KabelBW Notes [Member] USD ($)	Dec. 31, 2012 Unitymedia KabelBW Notes [Member] USD ($)	Dec. 31, 2013 2009 UM Senior Notes [Member] USD ($)	Dec. 31, 2013 2009 UM Senior Notes [Member] EUR (€)	Nov. 30, 2009 2009 UM Senior Notes [Member]	Nov. 30, 2009 2009 UM Euro Senior Secured Notes [Member]	Dec. 31, 2013 UM Senior Exchange Notes [Member] USD ($)	Dec. 31, 2013 UM Senior Exchange Notes [Member] EUR (€)	Dec. 31, 2013 UM Euro Senior Secured Exchange Notes [Member] USD ($)	Dec. 31, 2013 UM Euro Senior Secured Exchange Notes [Member] EUR (€)	Dec. 31, 2013 UM Dollar Senior Secured Exchange Notes [Member] USD ($)	Dec. 31, 2013 September 2012 UM Senior Secured Notes [Member] USD ($)	Dec. 31, 2013 September 2012 UM Senior Secured Notes [Member] EUR (€)	Sep. 19, 2012 September 2012 UM Senior Secured Notes [Member]	Dec. 31, 2013 December 2012 UM Dollar Senior Secured Notes [Member] USD ($)	Dec. 14, 2012 December 2012 UM Dollar Senior Secured Notes [Member]	Dec. 31, 2013 December 2012 UM Euro Senior Secured Notes [Member] USD ($)	Dec. 31, 2013 December 2012 UM Euro Senior Secured Notes [Member] EUR (€)	Dec. 14, 2012 December 2012 UM Euro Senior Secured Notes [Member]	Dec. 31, 2013 January 2013 UM Senior Secured Notes [Member] USD ($)	Dec. 31, 2013 January 2013 UM Senior Secured Notes [Member] EUR (€)	Jan. 21, 2013 January 2013 UM Senior Secured Notes [Member]	Dec. 31, 2013 April 2013 UM Senior Secured Notes [Member] USD ($)	Dec. 31, 2013 April 2013 UM Senior Secured Notes [Member] EUR (€)	Apr. 16, 2013 April 2013 UM Senior Secured Notes [Member]	Dec. 31, 2013 November 2013 UM Senior Secured Notes [Member] USD ($)	Dec. 31, 2013 November 2013 UM Senior Secured Notes [Member] EUR (€)	Nov. 21, 2013 November 2013 UM Senior Secured Notes [Member]
Debt Instrument [Line Items]
Stated interest rate of debt					9.625%	9.625%	9.625%	8.125%	9.50%	9.50%	7.50%	7.50%	7.50%	5.50%	5.50%	5.50%	5.50%	5.50%	5.75%	5.75%	5.75%	5.125%	5.125%	5.125%	5.625%	5.625%	5.625%	6.25%	6.25%	6.25%
Principal amount outstanding	$ 42,691.7		$ 7,655.1		$ 917.0	€ 665.0			$ 852.2	€ 618.0	$ 1,013.7	€ 735.1	$ 459.3	$ 896.3	€ 650.0		$ 1,000.0		$ 689.5	€ 500.0		$ 689.5	€ 500.0		$ 482.6	€ 350.0		$ 655.0	€ 475.0
Estimated fair value	44,229.0	27,642.2	8,058.2	7,416.5	1,018.4				992.2		1,104.8		498.9	926.0			975.0		713.6			690.3			490.2			648.8
Carrying value	$ 42,856.0	$ 26,134.9	$ 7,651.9	$ 6,815.5	$ 901.7				$ 850.1		$ 1,020.7		$ 466.5	$ 896.3			$ 1,000.0		$ 689.5			$ 689.5			$ 482.6			$ 655.0