v3.10.0.1

Debt and Capital Lease Obligations (Refinancing Transactions) (Details) £ in Millions |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 04, 2018 EUR (€) | Oct. 04, 2018 USD ($) | Jul. 31, 2018 USD ($) | Oct. 31, 2018 USD ($) | Aug. 31, 2018 EUR (€) | Aug. 31, 2018 USD ($) | Aug. 31, 2018 GBP (£) | May 31, 2018 USD ($) | Mar. 31, 2018 EUR (€) | Mar. 31, 2018 USD ($) | Oct. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2018 USD ($) | Aug. 31, 2018 USD ($) | May 31, 2018 EUR (€) | May 31, 2018 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding principal amount |  |  |  |  |  |  |  |  |  |  |  | $ 32,178,000,000.0 |  | $ 29,315,300,000 |  |  |
Dividends | € 351,600,000 | $ 404,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Telenet |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends | € |  |  |  |  | € 600,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |
UPC Holding Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding principal amount |  |  |  |  |  |  |  |  |  |  |  | 1,313,400,000 |  | $ 1,215,500,000 |  |  |
Senior Notes | Virgin Media |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Losses (gains) on debt modification and extinguishment |  |  |  |  |  |  |  |  |  |  | $ 36,400,000 |  |  |  |  |  |
Payment for debt redemption premium |  |  |  |  |  |  |  |  |  |  | 28,200,000 |  |  |  |  |  |
Write-off of unamortized debt discount and deferred financing cost |  |  |  |  |  |  |  |  |  |  | $ 8,200,000 |  |  |  |  |  |
Senior Notes | 2023 VM Dollar Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  |  |  | $ 190,000,000.0 |  |  |  |  |  |  |  |  |  |  |
Senior Notes | 2023 VM Sterling Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  | $ 340,000,000.0 |  | 318,600,000 | £ 250.0 |  |  |  |  |  |  |  |  |  |
Stated interest rate of debt |  |  |  |  | 7.00% |  |  |  |  |  |  |  |  |  | 7.00% |  |
Senior Notes | UPC Holding Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Losses (gains) on debt modification and extinguishment |  |  |  |  |  |  |  |  |  |  |  | 112,100,000 | $ 77,100,000 |  |  |  |
Payment for debt redemption premium |  |  |  |  |  |  |  |  |  |  |  | 84,300,000 | 57,200,000 |  |  |  |
Write-off of unamortized debt discount and deferred financing cost |  |  |  |  |  |  |  |  |  |  |  | 27,800,000 | 19,900,000 |  |  |  |
Long-term Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  | $ 1,500,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt | Virgin Media |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Losses (gains) on debt modification and extinguishment |  |  |  |  |  |  |  |  |  |  |  | 67,500,000 | 78,400,000 |  |  |  |
Payment for debt redemption premium |  |  |  |  |  |  |  |  |  |  |  | 32,600,000 | 52,600,000 |  |  |  |
Write-off of unamortized debt discount and deferred financing cost |  |  |  |  |  |  |  |  |  |  |  | 40,600,000 | 25,800,000 |  |  |  |
Write-off of unamortized debt discount (premium) |  |  |  |  |  |  |  |  |  |  |  | (7,000,000.0) |  |  |  |  |
Third-party debt modification costs |  |  |  |  |  |  |  |  |  |  |  | 1,300,000 |  |  |  |  |
Line of Credit | UPC Holding |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Losses (gains) on debt modification and extinguishment |  |  |  |  |  | 8,900,000 |  |  |  |  |  |  |  |  |  |  |
Payment for debt redemption premium |  |  |  |  |  | 2,000,000.0 |  |  |  |  |  |  |  |  |  |  |
Write-off of unamortized debt discount and deferred financing cost |  |  |  |  |  | 6,900,000 |  |  |  |  |  |  |  |  |  |  |
Line of Credit | Telenet |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Losses (gains) on debt modification and extinguishment |  |  |  |  |  |  |  | $ 7,600,000 |  | $ 21,300,000 |  |  |  |  |  |  |
Payment for debt redemption premium |  |  |  |  |  |  |  |  |  | 17,300,000 |  |  |  |  |  |  |
Write-off of unamortized debt discount and deferred financing cost |  |  |  |  |  |  |  |  |  | 4,000,000.0 |  |  |  |  |  |  |
Line of Credit | UPC Facility AR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  |  |  | 330,000,000.0 |  |  |  |  |  |  |  |  |  |  |
Line of Credit | UPC Facility AS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  |  | € 500,000,000.0 | 572,600,000 |  |  |  |  |  |  |  |  |  |  |
Line of Credit | UPC Facility AK |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  |  | 60,000,000.0 | 68,700,000 |  |  |  |  |  |  |  |  |  |  |
Line of Credit | Telenet Facility AL Add-on |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  |  |  |  |  | 300,000,000.0 |  |  |  |  |  |  |  |  |
Line of Credit | Telenet Credit Facility AL |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  |  |  |  |  | 1,300,000,000.0 |  |  |  |  |  |  |  |  |
Line of Credit | Telenet Credit Facility V |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  |  |  |  |  |  | € 250,000,000.0 | 286,300,000 |  |  |  |  |  |  |
Line of Credit | Telenet Credit Facility AM |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  |  |  |  |  | $ 730,000,000.0 |  |  |  |  |  |  |  |  |
Medium-term Notes | Telenet |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Losses (gains) on debt modification and extinguishment |  |  |  |  |  |  |  |  |  | 2,600,000 |  |  |  |  |  |  |
Payment for debt redemption premium |  |  |  |  |  |  |  |  |  | 2,000,000.0 |  |  |  |  |  |  |
Write-off of unamortized debt discount and deferred financing cost |  |  |  |  |  |  |  |  |  | 600,000 |  |  |  |  |  |  |
Medium-term Notes | UPCB Finance IV Euro Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt | € |  |  |  |  | 60,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |
Outstanding principal amount | € |  |  |  |  | € 600,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |
Medium-term Notes | Telenet Credit Facility AB |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  |  |  |  |  |  | € 530,000,000.0 | $ 607,000,000.0 |  |  |  |  |  |  |
Stated interest rate of debt |  |  |  |  |  |  |  |  |  | 4.875% |  |  |  |  |  |  |
Percentage of principal amount redeemed |  |  |  |  |  |  |  |  | 10.00% | 10.00% |  |  |  |  |  |  |
Medium-term Notes | Telenet Finance VI Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  |  |  |  |  |  |  | $ 530,000,000.0 |  |  |  |  |  |  |
Percentage of principal amount redeemed |  |  |  |  |  |  |  |  | 10.00% | 10.00% |  |  |  |  |  |  |
Medium-term Notes | Telenet Finance V Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt | € |  |  |  |  |  |  |  |  | € 250,000,000.0 |  |  |  |  |  |  |  |
Stated interest rate of debt |  |  |  |  |  |  |  |  |  | 6.75% |  |  |  |  |  |  |
Senior Notes | 2023 VM Dollar Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Original issue amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 530,000,000.0 |  |
Stated interest rate of debt |  |  |  | 6.375% | 6.375% |  |  |  |  |  | 6.375% |  |  |  | 6.375% |  |
Line of Credit | Telenet |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends |  |  |  |  | € 600,000,000.0 | $ 687,100,000 |  |  |  |  |  |  |  |  |  |  |
Line of Credit | UPC Facility AR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,975,000,000.0 |  |
Line of Credit | Telenet Credit Facility AO |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Original issue amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 730,000,000.0 | $ 836,000,000.0
Original issue price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 99.875% | 99.875%
Line of Credit | UPC Facility AK |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate of debt |  |  |  |  | 4.00% |  |  |  |  |  |  |  |  |  | 4.00% |  |
Outstanding principal amount |  |  |  |  | € 600,000,000.0 |  |  |  |  |  |  |  |  |  | $ 687,100,000 |  |
Line of Credit | Telenet Facility AL Add-on |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Original issue amount |  |  |  |  |  |  |  |  |  | $ 300,000,000.0 |  |  |  |  |  |  |
Line of Credit | Telenet Facility AN |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Original issue amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,600,000,000.0
Original issue price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 99.875% | 99.875%
Line of Credit | Telenet Facility AN Add-on |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Original issue amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 475,000,000.0 |  |
Original issue price |  |  |  |  | 98.50% |  |  |  |  |  |  |  |  |  | 98.50% |  |
Line of Credit | Telenet Facility AO Add-on |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Original issue amount |  |  |  |  | € 205,000,000.0 |  |  |  |  |  |  |  |  |  | $ 234,800,000 |  |
Original issue price |  |  |  |  | 98.00% |  |  |  |  |  |  |  |  |  | 98.00% |  |
Line of Credit | LIBOR | UPC Facility AR |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  | 2.50% | 2.50% | 2.50% |  |  |  |  |  |  |  |  |  |
Floor interest rate |  |  |  |  | 0.00% |  |  |  |  |  |  |  |  |  | 0.00% |  |
Line of Credit | LIBOR | Telenet Credit Facility AL |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  | 2.50% | 2.50% |  |  |  |  |  |  |
Floor interest rate |  |  |  |  |  |  |  |  |  | 0.00% |  |  |  |  |  |  |
Line of Credit | LIBOR | Telenet Facility AN |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  | 2.25% |  |  |  |  |  |  |  |  |
Floor interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.00% | 0.00%
Line of Credit | EURIBOR | UPC Facility AS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  | 2.75% | 2.75% | 2.75% |  |  |  |  |  |  |  |  |  |
Line of Credit | EURIBOR | Telenet Credit Facility AO |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  | 2.50% |  |  |  |  |  |  |  |  |
Floor interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.00% | 0.00%
Line of Credit | EURIBOR | Telenet Credit Facility AM |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  | 2.75% |  |  |  |  |  |  |  |  |
Medium-term Notes | Telenet |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Losses (gains) on debt modification and extinguishment |  |  |  |  |  |  |  |  |  |  |  | 75,700,000 | 52,800,000 |  |  |  |
Payment for debt redemption premium |  |  |  |  |  |  |  |  |  |  |  | 21,500,000 | 19,000,000.0 |  |  |  |
Write-off of unamortized debt discount and deferred financing cost |  |  |  |  |  |  |  |  |  |  |  | $ 54,200,000 | $ 33,800,000 |  |  |  |

X
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