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v3.19.3.a.u2

Debt (Refinancing Transactions) (Details) | 1 Months Ended | 4 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Oct. 31, 2019 USD ($) | Oct. 31, 2019 EUR (€) | Oct. 31, 2019 GBP (£) | Aug. 31, 2019 USD ($) | Jul. 31, 2019 USD ($) | Jul. 31, 2019 EUR (€) | May 31, 2019 USD ($) | May 31, 2019 GBP (£) | Aug. 31, 2019 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Oct. 31, 2019 EUR (€) | Oct. 31, 2019 GBP (£) | Aug. 31, 2019 GBP (£) | May 31, 2019 GBP (£)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-cash borrowings and repayments of debt |  |  |  |  |  |  |  |  |  | $ 3,300,200,000 | $ 2,583,300,000 | $ 17,104,000,000.0 |  |  |  |
Losses on debt modification and extinguishment | $ 50,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
VM Dollar Senior Secured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt | 1,000,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
VM Sterling Senior Secured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt | 397,900,000 |  | £ 300,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |
VM Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt | 3,400,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Telenet Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt | 416,600,000 | € 371,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Losses on debt modification and extinguishment |  |  |  |  |  |  |  |  | $ 77,200,000 |  |  |  |  |  |  |
Payment for debt redemption premium |  |  |  |  |  |  |  |  | 75,800,000 |  |  |  |  |  |  |
Write-off of unamortized debt discount and deferred financing cost |  |  |  |  |  |  |  |  | 1,400,000 |  |  |  |  |  |  |
Senior Notes | Virgin Media |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Losses on debt modification and extinguishment | 67,400,000 |  |  |  |  |  |  |  |  |  | 36,400,000 |  |  |  |  |
Payment for debt redemption premium | 46,000,000.0 |  |  |  |  |  |  |  |  |  | 28,200,000 |  |  |  |  |
Write-off of unamortized debt discount and deferred financing cost | 21,400,000 |  |  |  |  |  |  |  |  |  | 8,200,000 | 40,600,000 |  |  |  |
Senior Notes | Telenet |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  | $ 1,645,000,000.0 | $ 119,000,000.0 | € 106,000,000.0 |  |  |  |  |  |  |  |  |  |
Losses on debt modification and extinguishment |  |  |  | 15,400,000 | 4,000,000.0 |  |  |  |  |  |  |  |  |  |  |
Payment for debt redemption premium | 46,800,000 |  |  |  | 3,600,000 |  |  |  |  |  |  |  |  |  |  |
Write-off of unamortized debt discount and deferred financing cost | 3,900,000 |  |  |  | 400,000 |  |  |  |  |  |  |  |  |  |  |
Senior Notes | VM Dollar Senior Secured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  |  |  |  | $ 802,400,000 |  |  |  |  |  |  |  |  |
Senior Notes | VM Sterling Senior Secured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  |  |  |  | 708,400,000 | £ 534,100,000 |  |  |  |  |  |  |  |
Senior Notes | VM Sterling Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt | £ |  |  |  |  |  |  |  | £ 300,000,000.0 |  |  |  |  |  |  |  |
Senior Notes | UPC Holding Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Losses on debt modification and extinguishment |  |  |  |  |  |  |  |  |  |  |  | 112,100,000 |  |  |  |
Payment for debt redemption premium |  |  |  |  |  |  |  |  |  |  |  | 84,300,000 |  |  |  |
Write-off of unamortized debt discount and deferred financing cost |  |  |  |  |  |  |  |  |  |  |  | 27,800,000 |  |  |  |
Long-term Debt | Virgin Media |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Losses on debt modification and extinguishment |  |  |  |  |  |  |  |  |  |  |  | 67,500,000 |  |  |  |
Payment for debt redemption premium |  |  |  |  |  |  |  |  |  |  |  | 32,600,000 |  |  |  |
Write-off of unamortized debt discount and deferred financing cost |  |  |  |  |  |  |  |  |  |  |  | 7,000,000.0 |  |  |  |
Third-party debt modification costs |  |  |  |  |  |  |  |  |  |  |  | 1,300,000 |  |  |  |
Line of Credit | UPC Holding |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Losses 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 |  |  |  |  |
Senior Notes | VM Dollar Senior Secured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Original issue amount |  |  |  |  | $ 600,000,000.0 |  | 825,000,000.0 |  |  |  |  |  |  |  |  |
Senior Notes | VM Sterling Senior Secured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Original issue amount |  |  |  | $ 53,100,000 |  |  | $ 397,900,000 |  | $ 53,100,000 |  |  |  |  |  | £ 40,000,000.0 | £ 300,000,000.0
Senior Notes | VM Sterling-Denominated Term Loan Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Original issue amount | 530,500,000 |  |  |  |  |  |  |  |  |  |  |  |  | £ 400,000,000.0 |  |
Medium-term Notes | Telenet |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Losses on debt modification and extinguishment |  |  |  |  |  |  |  |  |  |  | 31,500,000 | 75,700,000 |  |  |  |
Payment for debt redemption premium |  |  |  |  |  |  |  |  |  |  | 19,300,000 | 21,500,000 |  |  |  |
Write-off of unamortized debt discount and deferred financing cost |  |  |  |  |  |  |  |  |  |  | $ 12,200,000 | $ 54,200,000 |  |  |  |
Medium-term Notes | VM Dollar-Denominated Term Loan Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Original issue amount | 3,300,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Medium-term Notes | VM Euro-Denominated Term Loan Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Original issue amount | 842,100,000 |  |  |  |  |  |  |  |  |  |  |  | € 750,000,000.0 |  |  |
Medium-term Notes | Telenet Dollar-Denominated Term Loan Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Original issue amount | 220,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Medium-term Notes | Telenet Euro-Denominated Term Loan Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Original issue amount | $ 196,500,000 |  |  |  |  |  |  |  |  |  |  |  | € 175,000,000.0 |  |  |

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