v3.3.1.900
Derivative Instruments (Interest Rate Swaps) (Schedule) (Details) - Interest Rate Swap [Member]
€ in Millions, £ in Millions, SFr in Millions, $ in Millions
12 Months Ended
Dec. 31, 2014
EUR (€)
Dec. 31, 2014
USD ($)
Dec. 31, 2014
GBP (£)
Dec. 31, 2014
CHF (SFr)
Virgin Media Investment Holdings Limited [Member] | October 2018 2155.0 GBP [Member]        
Derivative [Line Items]        
Notional amount of derivative | £     £ 2,155.0  
Virgin Media Investment Holdings Limited [Member] | January 2021 650.0 GBP [Member]        
Derivative [Line Items]        
Notional amount of derivative | £     650.0  
Virgin Media Investment Holdings Limited [Member] | January 2021 650.0 GBP 3.87% [Member]        
Derivative [Line Items]        
Notional amount of derivative | £     650.0  
Virgin Media Investment Holdings Limited [Member] | December 2015 600.0 GBP [Member]        
Derivative [Line Items]        
Notional amount of derivative | £     600.0  
Virgin Media Investment Holdings Limited [Member] | April 2018 300.0 GBP [Member]        
Derivative [Line Items]        
Notional amount of derivative | £     £ 300.0  
Virgin Media Investment Holdings Limited [Member] | Due From Counterparty [Member] | October 2018 2155.0 GBP [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. GBP LIBOR      
Virgin Media Investment Holdings Limited [Member] | Due From Counterparty [Member] | January 2021 650.0 GBP [Member]        
Derivative [Line Items]        
Derivative Interest Rate 5.50% 5.50% 5.50% 5.50%
Virgin Media Investment Holdings Limited [Member] | Due From Counterparty [Member] | January 2021 650.0 GBP 3.87% [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. GBP LIBOR      
Derivative Interest Rate Above Referenced Rate 1.84% 1.84% 1.84% 1.84%
Virgin Media Investment Holdings Limited [Member] | Due From Counterparty [Member] | December 2015 600.0 GBP [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. GBP LIBOR      
Virgin Media Investment Holdings Limited [Member] | Due From Counterparty [Member] | April 2018 300.0 GBP [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. GBP LIBOR      
Virgin Media Investment Holdings Limited [Member] | Due To Counterparty [Member] | October 2018 2155.0 GBP [Member]        
Derivative [Line Items]        
Derivative Interest Rate 1.52% 1.52% 1.52% 1.52%
Virgin Media Investment Holdings Limited [Member] | Due To Counterparty [Member] | January 2021 650.0 GBP [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. GBP LIBOR      
Derivative Interest Rate Above Referenced Rate 1.84% 1.84% 1.84% 1.84%
Virgin Media Investment Holdings Limited [Member] | Due To Counterparty [Member] | January 2021 650.0 GBP 3.87% [Member]        
Derivative [Line Items]        
Derivative Interest Rate 3.87% 3.87% 3.87% 3.87%
Virgin Media Investment Holdings Limited [Member] | Due To Counterparty [Member] | December 2015 600.0 GBP [Member]        
Derivative [Line Items]        
Derivative Interest Rate 2.90% 2.90% 2.90% 2.90%
Virgin Media Investment Holdings Limited [Member] | Due To Counterparty [Member] | April 2018 300.0 GBP [Member]        
Derivative [Line Items]        
Derivative Interest Rate 1.37% 1.37% 1.37% 1.37%
UPC Broadband Holding [Member] | July 2020 1000Usd 6mo.Libor plus 3.03Percent [Member]        
Derivative [Line Items]        
Notional amount of derivative | $   $ 1,000.0    
UPC Broadband Holding [Member] | January 2022 750.0 USD [Member]        
Derivative [Line Items]        
Notional amount of derivative | $   $ 750.0    
UPC Broadband Holding [Member] | January 2015 1,554.0 EUR [Member]        
Derivative [Line Items]        
Notional amount of derivative € 1,554.0      
UPC Broadband Holding [Member] | January 2015 - January 2016 1,554.0 EUR [Member]        
Derivative [Line Items]        
Notional amount of derivative 1,554.0      
UPC Broadband Holding [Member] | January 2015 1364.8 EUR 3.44% [Member]        
Derivative [Line Items]        
Notional amount of derivative 1,364.8      
UPC Broadband Holding [Member] | July 2020 750.0 EUR [Member]        
Derivative [Line Items]        
Notional amount of derivative 750.0      
UPC Broadband Holding [Member] | January 2015 - January 2021 750.0 EUR [Member]        
Derivative [Line Items]        
Notional amount of derivative 750.0      
UPC Broadband Holding [Member] | January 2015 to December 2016 500Euro 4.32Percent [Member]        
Derivative [Line Items]        
Notional amount of derivative 500.0      
UPC Broadband Holding [Member] | January 2015 - January 2023 290.0 EUR [Member]        
Derivative [Line Items]        
Notional amount of derivative 290.0      
UPC Broadband Holding [Member] | December 2015 263.3 EUR [Member]        
Derivative [Line Items]        
Notional amount of derivative 263.3      
UPC Broadband Holding [Member] | January 2023 210.0 EUR [Member]        
Derivative [Line Items]        
Notional amount of derivative 210.0      
UPC Broadband Holding [Member] | January 2015 - January 2018 175.0 EUR [Member]        
Derivative [Line Items]        
Notional amount of derivative 175.0      
UPC Broadband Holding [Member] | January 2015 to July 2020 171.3Euro 3.95Percent [Member]        
Derivative [Line Items]        
Notional amount of derivative 171.3      
UPC Broadband Holding [Member] | July 2020 171.3Euro 4.32Percent [Member]        
Derivative [Line Items]        
Notional amount of derivative 171.3      
UPC Broadband Holding [Member] | January 2015 - November 2021 107.0 EUR 2.89 Percent [Member]        
Derivative [Line Items]        
Notional amount of derivative € 107.0      
UPC Broadband Holding [Member] | January 2015 2380.0 CHF 2.81% [Member]        
Derivative [Line Items]        
Notional amount of derivative | SFr       SFr 2,380.0
UPC Broadband Holding [Member] | January 2015 - January 2022 711.5 CHF [Member]        
Derivative [Line Items]        
Notional amount of derivative | SFr       711.5
UPC Broadband Holding [Member] | January 2015 — January 2021 500.0 CHF 1.65% [Member]        
Derivative [Line Items]        
Notional amount of derivative | SFr       500.0
UPC Broadband Holding [Member] | January 2015 - January 2021 400.0 CHF [Member]        
Derivative [Line Items]        
Notional amount of derivative | SFr       400.0
UPC Broadband Holding [Member] | January 2015 to December 2016 370.9Chf 3.82Percent [Member]        
Derivative [Line Items]        
Notional amount of derivative | SFr       370.9
UPC Broadband Holding [Member] | January 2015 to November 2019 226.8 CHF 6.88 Percent [Member]        
Derivative [Line Items]        
Notional amount of derivative | SFr       SFr 226.8
UPC Broadband Holding [Member] | Due From Counterparty [Member] | July 2020 1000Usd 6mo.Libor plus 3.03Percent [Member]        
Derivative [Line Items]        
Derivative Interest Rate 6.63% 6.63% 6.63% 6.63%
UPC Broadband Holding [Member] | Due From Counterparty [Member] | January 2022 750.0 USD [Member]        
Derivative [Line Items]        
Derivative Interest Rate 6.88% 6.88% 6.88% 6.88%
UPC Broadband Holding [Member] | Due From Counterparty [Member] | January 2015 1,554.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 1 mo. EURIBOR      
Derivative Interest Rate Above Referenced Rate 3.75% 3.75% 3.75% 3.75%
UPC Broadband Holding [Member] | Due From Counterparty [Member] | January 2015 - January 2016 1,554.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 1 mo. EURIBOR      
Derivative Interest Rate Above Referenced Rate 3.75% 3.75% 3.75% 3.75%
UPC Broadband Holding [Member] | Due From Counterparty [Member] | January 2015 1364.8 EUR 3.44% [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. EURIBOR      
UPC Broadband Holding [Member] | Due From Counterparty [Member] | January 2015 - January 2021 750.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. EURIBOR      
UPC Broadband Holding [Member] | Due From Counterparty [Member] | January 2015 to December 2016 500Euro 4.32Percent [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. EURIBOR      
UPC Broadband Holding [Member] | Due From Counterparty [Member] | January 2015 - January 2023 290.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. EURIBOR      
UPC Broadband Holding [Member] | Due From Counterparty [Member] | December 2015 263.3 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. EURIBOR      
UPC Broadband Holding [Member] | Due From Counterparty [Member] | January 2023 210.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. EURIBOR      
UPC Broadband Holding [Member] | Due From Counterparty [Member] | January 2015 - January 2018 175.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. EURIBOR      
UPC Broadband Holding [Member] | Due From Counterparty [Member] | January 2015 to July 2020 171.3Euro 3.95Percent [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. EURIBOR      
UPC Broadband Holding [Member] | Due From Counterparty [Member] | July 2020 171.3Euro 4.32Percent [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. EURIBOR      
UPC Broadband Holding [Member] | Due From Counterparty [Member] | January 2015 - November 2021 107.0 EUR 2.89 Percent [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. EURIBOR      
UPC Broadband Holding [Member] | Due From Counterparty [Member] | January 2015 2380.0 CHF 2.81% [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. CHF LIBOR      
UPC Broadband Holding [Member] | Due From Counterparty [Member] | January 2015 - January 2022 711.5 CHF [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. CHF LIBOR      
UPC Broadband Holding [Member] | Due From Counterparty [Member] | January 2015 — January 2021 500.0 CHF 1.65% [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. CHF LIBOR      
UPC Broadband Holding [Member] | Due From Counterparty [Member] | January 2015 - January 2021 400.0 CHF [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. CHF LIBOR      
UPC Broadband Holding [Member] | Due From Counterparty [Member] | January 2015 to December 2016 370.9Chf 3.82Percent [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. CHF LIBOR      
UPC Broadband Holding [Member] | Due From Counterparty [Member] | January 2015 to November 2019 226.8 CHF 6.88 Percent [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. CHF LIBOR      
Derivative Interest Rate Above Referenced Rate 5.01% 5.01% 5.01% 5.01%
UPC Broadband Holding [Member] | Due To Counterparty [Member] | July 2020 1000Usd 6mo.Libor plus 3.03Percent [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. LIBOR      
Derivative Interest Rate Above Referenced Rate 3.03% 3.03% 3.03% 3.03%
UPC Broadband Holding [Member] | Due To Counterparty [Member] | January 2022 750.0 USD [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. LIBOR      
Derivative Interest Rate Above Referenced Rate 4.89% 4.89% 4.89% 4.89%
UPC Broadband Holding [Member] | Due To Counterparty [Member] | January 2015 1,554.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. EURIBOR      
Derivative Interest Rate Above Referenced Rate 3.56% 3.56% 3.56% 3.56%
UPC Broadband Holding [Member] | Due To Counterparty [Member] | January 2015 - January 2016 1,554.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. EURIBOR      
Derivative Interest Rate Above Referenced Rate 3.58% 3.58% 3.58% 3.58%
UPC Broadband Holding [Member] | Due To Counterparty [Member] | January 2015 1364.8 EUR 3.44% [Member]        
Derivative [Line Items]        
Derivative Interest Rate 3.44% 3.44% 3.44% 3.44%
UPC Broadband Holding [Member] | Due To Counterparty [Member] | July 2020 750.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate 6.38% 6.38% 6.38% 6.38%
Derivative Interest Rate Referenced 6 mo. EURIBOR      
Derivative Interest Rate Above Referenced Rate 3.16% 3.16% 3.16% 3.16%
UPC Broadband Holding [Member] | Due To Counterparty [Member] | January 2015 - January 2021 750.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate 2.57% 2.57% 2.57% 2.57%
UPC Broadband Holding [Member] | Due To Counterparty [Member] | January 2015 to December 2016 500Euro 4.32Percent [Member]        
Derivative [Line Items]        
Derivative Interest Rate 4.32% 4.32% 4.32% 4.32%
UPC Broadband Holding [Member] | Due To Counterparty [Member] | January 2015 - January 2023 290.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate 2.79% 2.79% 2.79% 2.79%
UPC Broadband Holding [Member] | Due To Counterparty [Member] | December 2015 263.3 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate 3.97% 3.97% 3.97% 3.97%
UPC Broadband Holding [Member] | Due To Counterparty [Member] | January 2023 210.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate 2.88% 2.88% 2.88% 2.88%
UPC Broadband Holding [Member] | Due To Counterparty [Member] | January 2015 - January 2018 175.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate 3.74% 3.74% 3.74% 3.74%
UPC Broadband Holding [Member] | Due To Counterparty [Member] | January 2015 to July 2020 171.3Euro 3.95Percent [Member]        
Derivative [Line Items]        
Derivative Interest Rate 3.95% 3.95% 3.95% 3.95%
UPC Broadband Holding [Member] | Due To Counterparty [Member] | July 2020 171.3Euro 4.32Percent [Member]        
Derivative [Line Items]        
Derivative Interest Rate 4.32% 4.32% 4.32% 4.32%
UPC Broadband Holding [Member] | Due To Counterparty [Member] | January 2015 - November 2021 107.0 EUR 2.89 Percent [Member]        
Derivative [Line Items]        
Derivative Interest Rate 2.89% 2.89% 2.89% 2.89%
UPC Broadband Holding [Member] | Due To Counterparty [Member] | January 2015 2380.0 CHF 2.81% [Member]        
Derivative [Line Items]        
Derivative Interest Rate 2.81% 2.81% 2.81% 2.81%
UPC Broadband Holding [Member] | Due To Counterparty [Member] | January 2015 - January 2022 711.5 CHF [Member]        
Derivative [Line Items]        
Derivative Interest Rate 1.89% 1.89% 1.89% 1.89%
UPC Broadband Holding [Member] | Due To Counterparty [Member] | January 2015 — January 2021 500.0 CHF 1.65% [Member]        
Derivative [Line Items]        
Derivative Interest Rate 1.65% 1.65% 1.65% 1.65%
UPC Broadband Holding [Member] | Due To Counterparty [Member] | January 2015 - January 2021 400.0 CHF [Member]        
Derivative [Line Items]        
Derivative Interest Rate 2.51% 2.51% 2.51% 2.51%
UPC Broadband Holding [Member] | Due To Counterparty [Member] | January 2015 to December 2016 370.9Chf 3.82Percent [Member]        
Derivative [Line Items]        
Derivative Interest Rate 3.82% 3.82% 3.82% 3.82%
UPC Broadband Holding [Member] | Due To Counterparty [Member] | January 2015 to November 2019 226.8 CHF 6.88 Percent [Member]        
Derivative [Line Items]        
Derivative Interest Rate 6.88% 6.88% 6.88% 6.88%
Amsterdamse Beheer-en Consultingmaatschappij BV (ABC B.V.), a subsidiary of Ziggo [Member] | January 2022 1,556.0 EUR [Member]        
Derivative [Line Items]        
Notional amount of derivative € 1,566.0      
Amsterdamse Beheer-en Consultingmaatschappij BV (ABC B.V.), a subsidiary of Ziggo [Member] | Due From Counterparty [Member] | January 2022 1,556.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 6 mo. EURIBOR      
Amsterdamse Beheer-en Consultingmaatschappij BV (ABC B.V.), a subsidiary of Ziggo [Member] | Due To Counterparty [Member] | January 2022 1,556.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate 1.66% 1.66% 1.66% 1.66%
Telenet NV [Member] | June 2023 500.0 EUR [Member]        
Derivative [Line Items]        
Notional amount of derivative € 500.0      
Telenet NV [Member] | July 2017 - June 2022 420.0 EUR [Member]        
Derivative [Line Items]        
Notional amount of derivative 420.0      
Telenet NV [Member] | June 2021 400.0 EUR [Member]        
Derivative [Line Items]        
Notional amount of derivative 400.0      
Telenet NV [Member] | July 2017 - June 2023 382.0 EUR [Member]        
Derivative [Line Items]        
Notional amount of derivative 382.0      
Telenet NV [Member] | July 2017 150.0 EUR [Member]        
Derivative [Line Items]        
Notional amount of derivative 150.0      
Telenet NV [Member] | August 2015 - June 2022 55.0 EUR [Member]        
Derivative [Line Items]        
Notional amount of derivative 55.0      
Telenet NV [Member] | June 2015 50Euro 3.55Percent [Member]        
Derivative [Line Items]        
Notional amount of derivative € 50.0      
Telenet NV [Member] | Due From Counterparty [Member] | June 2023 500.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 3 mo. EURIBOR      
Telenet NV [Member] | Due From Counterparty [Member] | July 2017 - June 2022 420.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 3 mo. EURIBOR      
Telenet NV [Member] | Due From Counterparty [Member] | June 2021 400.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 3 mo. EURIBOR      
Telenet NV [Member] | Due From Counterparty [Member] | July 2017 - June 2023 382.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 3 mo. EURIBOR      
Telenet NV [Member] | Due From Counterparty [Member] | July 2017 150.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 3 mo. EURIBOR      
Telenet NV [Member] | Due From Counterparty [Member] | August 2015 - June 2022 55.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 3 mo. EURIBOR      
Telenet NV [Member] | Due From Counterparty [Member] | June 2015 50Euro 3.55Percent [Member]        
Derivative [Line Items]        
Derivative Interest Rate Referenced 3 mo. EURIBOR      
Telenet NV [Member] | Due To Counterparty [Member] | June 2023 500.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate 1.45% 1.45% 1.45% 1.45%
Telenet NV [Member] | Due To Counterparty [Member] | July 2017 - June 2022 420.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate 2.08% 2.08% 2.08% 2.08%
Telenet NV [Member] | Due To Counterparty [Member] | June 2021 400.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate 0.41% 0.41% 0.41% 0.41%
Telenet NV [Member] | Due To Counterparty [Member] | July 2017 - June 2023 382.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate 1.89% 1.89% 1.89% 1.89%
Telenet NV [Member] | Due To Counterparty [Member] | July 2017 150.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate 3.55% 3.55% 3.55% 3.55%
Telenet NV [Member] | Due To Counterparty [Member] | August 2015 - June 2022 55.0 EUR [Member]        
Derivative [Line Items]        
Derivative Interest Rate 1.81% 1.81% 1.81% 1.81%
Telenet NV [Member] | Due To Counterparty [Member] | June 2015 50Euro 3.55Percent [Member]        
Derivative [Line Items]        
Derivative Interest Rate 3.55% 3.55% 3.55% 3.55%