v3.3.1.900

Debt and Capital Lease Obligations (Non-cash Refinancing Transactions) (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Debt Instrument [Line Items] |  |  |
Aggregate debt which resulted in non-cash borrowings and repayments | $ 5,418.8 | $ 5,061.5 | $ 3,793.4
Virgin Media Merger Agreement [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Liabilities assumed |  | $ 3,557.5 |

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