Derivative Instruments (Interest Rate Swap Contracts, Options and Basis Swaps) (Details) $ in Millions |
12 Months Ended |
|
Dec. 31, 2019
USD ($)
|
| Interest Rate Swaption 1 | Virgin Media |
|
| Derivative [Line Items] |
|
| Notional amount |
$ 7,085.7
|
| Weighted average remaining life |
1 year
|
| Weighted average strike rate |
2.40%
|
| Interest Rate Swaption 2 | Virgin Media |
|
| Derivative [Line Items] |
|
| Notional amount |
$ 482.7
|
| Weighted average remaining life |
18 days
|
| Weighted average strike rate |
1.96%
|
| Basis Swaps | Virgin Media |
|
| Derivative [Line Items] |
|
| Weighted average remaining life |
15 days
|
| Basis Swaps | Telenet |
|
| Derivative [Line Items] |
|
| Weighted average remaining life |
15 days
|
| Notional amount due from counterparty | Interest Rate Swap | Virgin Media |
|
| Derivative [Line Items] |
|
| Notional amount |
$ 21,715.5
|
| Weighted average remaining life |
2 years 8 months 12 days
|
| Notional amount due from counterparty | Interest Rate Swap | UPC Holding |
|
| Derivative [Line Items] |
|
| Notional amount |
$ 7,237.1
|
| Weighted average remaining life |
3 years 6 months
|
| Notional amount due from counterparty | Interest Rate Swap | Telenet |
|
| Derivative [Line Items] |
|
| Notional amount |
$ 3,239.1
|
| Weighted average remaining life |
5 years 2 months 12 days
|
| Notional amount due from counterparty | Basis Swaps | Virgin Media |
|
| Derivative [Line Items] |
|
| Notional amount |
$ 4,493.7
|
| Notional amount due from counterparty | Basis Swaps | Telenet |
|
| Derivative [Line Items] |
|
| Notional amount |
2,295.0
|
| Notional amount due to counterparty | Interest Rate Swap | Virgin Media |
|
| Derivative [Line Items] |
|
| Notional amount |
$ 11,542.6
|
| Weighted average remaining life |
4 years 4 months 24 days
|
| Notional amount due to counterparty | Interest Rate Swap | UPC Holding |
|
| Derivative [Line Items] |
|
| Notional amount |
$ 5,312.1
|
| Weighted average remaining life |
5 years 10 months 24 days
|
| Notional amount due to counterparty | Interest Rate Swap | Telenet |
|
| Derivative [Line Items] |
|
| Notional amount |
$ 1,602.4
|
| Weighted average remaining life |
3 years 8 months 12 days
|