v3.10.0.1

Debt and Capital Lease Obligations (Refinancing Transactions) (Details) | 1 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
May 31, 2018 USD ($) | Mar. 31, 2018 EUR (€) | Mar. 31, 2018 USD ($) | Jun. 30, 2018 GBP (£) group | Jun. 30, 2018 USD ($) group | May 31, 2018 EUR (€) | May 31, 2018 USD ($) | Apr. 30, 2018 GBP (£) | Apr. 30, 2018 USD ($) | Dec. 31, 2017 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Number of borrowing groups | group |  |  |  | 3 | 3 |  |  |  |  |
Outstanding principal amount |  |  |  |  | $ 31,296,300,000 |  |  |  |  | $ 32,183,900,000
Medium-term Notes | Telenet |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Loss on debt modification and extinguishment |  |  | $ 2,600,000 |  |  |  |  |  |  |
Payments for debt redemption premium |  |  | 2,000,000.0 |  |  |  |  |  |  |
Write-off of unamortized discounts and deferred financing costs |  |  | 600,000 |  |  |  |  |  |  |
Line of Credit | Telenet |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Loss on debt modification and extinguishment | $ 7,600,000 |  | 21,300,000 |  |  |  |  |  |  |
Payments for debt redemption premium |  |  | 17,300,000 |  |  |  |  |  |  |
Write-off of unamortized discounts and deferred financing costs |  |  | $ 4,000,000.0 |  |  |  |  |  |  |
VM Financing Facilities |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Outstanding principal amount |  |  |  | £ 700,000,000.0 | 923,600,000 |  |  |  |  |
Telenet Credit Facility AB | Medium-term Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of principal amount redeemed |  | 10.00% | 10.00% |  |  |  |  |  |  |
Extinguishment of debt |  | € 530,000,000.0 | $ 618,900,000 |  |  |  |  |  |  |
Telenet Finance VI Notes | Medium-term Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of principal amount redeemed |  | 10.00% | 10.00% |  |  |  |  |  |  |
Extinguishment of debt |  |  | $ 530,000,000.0 |  |  |  |  |  |  |
Telenet Facility AL Add-on | Line of Credit |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Extinguishment of debt | 300,000,000.0 |  |  |  |  |  |  |  |  |
Telenet Credit Facility V | Line of Credit |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  | € 250,000,000.0 | 291,900,000 |  |  |  |  |  |  |
Telenet Finance V Notes | Medium-term Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Extinguishment of debt | € |  | € 250,000,000.0 |  |  |  |  |  |  |  |
Telenet Credit Facility AL | Line of Credit |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Extinguishment of debt | 1,300,000,000.0 |  |  |  |  |  |  |  |  |
Telenet Credit Facility AM | Line of Credit |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Extinguishment of debt | $ 730,000,000.0 |  |  |  |  |  |  |  |  |
Medium-term Notes | VM Receivables Financing Notes II |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Principal amount of debt |  |  |  | £ 50,000,000.0 | $ 66,000,000.0 |  |  | £ 300,000,000.0 | $ 395,800,000 |
Interest rate |  |  |  | 5.75% | 5.75% |  |  | 5.75% | 5.75% |
Line of Credit | Telenet Facility AL Add-on |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Principal amount of debt |  |  | $ 300,000,000.0 |  |  |  |  |  |  |
Line of Credit | Telenet Facility AN |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Principal amount of debt |  |  |  |  |  |  | $ 1,600,000,000.0 |  |  |
Issue price percentage |  |  |  |  |  | 99.875% | 99.875% |  |  |
Line of Credit | Telenet Facility AN | LIBOR |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate | 2.25% |  |  |  |  |  |  |  |  |
Floor rate |  |  |  |  |  | 0.00% | 0.00% |  |  |
Line of Credit | Telenet Credit Facility AO |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Principal amount of debt |  |  |  |  |  | € 730,000,000.0 | $ 852,400,000 |  |  |
Issue price percentage |  |  |  |  |  | 99.875% | 99.875% |  |  |
Line of Credit | Telenet Credit Facility AO | EURIBOR |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate | 2.50% |  |  |  |  |  |  |  |  |
Floor rate |  |  |  |  |  | 0.00% | 0.00% |  |  |

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