Debt (Capital Lease Obligations) (Schedule) (Details) - USD ($) $ in Millions |
Dec. 31, 2019 |
Dec. 31, 2018 |
| Debt Instrument [Line Items] |
|
|
| 2020 |
$ 3,796.9
|
|
| 2021 |
1,791.3
|
|
| 2022 |
652.8
|
|
| 2023 |
184.4
|
|
| 2024 |
799.4
|
|
| Total vendor financing maturities |
27,648.1
|
$ 29,315.3
|
| Current portion |
3,795.7
|
|
| Noncurrent portion |
23,769.7
|
|
| Virgin Media |
|
|
| Debt Instrument [Line Items] |
|
|
| 2020 |
2,472.4
|
|
| 2021 |
726.2
|
|
| 2022 |
253.7
|
|
| 2023 |
125.4
|
|
| 2024 |
779.6
|
|
| Total vendor financing maturities |
15,854.9
|
|
| Current portion |
2,472.4
|
|
| Noncurrent portion |
13,359.3
|
|
| UPC Holding |
|
|
| Debt Instrument [Line Items] |
|
|
| 2020 |
644.6
|
|
| 2021 |
22.7
|
|
| 2022 |
20.1
|
|
| 2023 |
17.5
|
|
| 2024 |
7.7
|
|
| Total vendor financing maturities |
4,335.0
|
|
| Current portion |
644.6
|
|
| Noncurrent portion |
3,670.1
|
|
| Telenet |
|
|
| Debt Instrument [Line Items] |
|
|
| 2020 |
415.1
|
|
| 2021 |
13.2
|
|
| 2022 |
12.6
|
|
| 2023 |
12.2
|
|
| 2024 |
12.1
|
|
| Total vendor financing maturities |
5,768.5
|
|
| Current portion |
415.1
|
|
| Noncurrent portion |
5,326.3
|
|
| Other |
|
|
| Debt Instrument [Line Items] |
|
|
| 2020 |
264.8
|
|
| 2021 |
1,029.2
|
|
| 2022 |
366.4
|
|
| 2023 |
29.3
|
|
| 2024 |
0.0
|
|
| Total vendor financing maturities |
1,689.7
|
|
| Current portion |
263.6
|
|
| Noncurrent portion |
1,414.0
|
|
| Vendor financing |
|
|
| Debt Instrument [Line Items] |
|
|
| 2020 |
3,454.2
|
|
| 2021 |
111.0
|
|
| 2022 |
91.9
|
|
| 2023 |
68.9
|
|
| 2024 |
22.2
|
|
| Total vendor financing maturities |
3,748.2
|
$ 3,620.3
|
| Current portion |
3,454.2
|
|
| Noncurrent portion |
294.0
|
|
| Vendor financing | Virgin Media |
|
|
| Debt Instrument [Line Items] |
|
|
| 2020 |
2,337.8
|
|
| 2021 |
34.8
|
|
| 2022 |
24.6
|
|
| 2023 |
22.1
|
|
| 2024 |
14.5
|
|
| Total vendor financing maturities |
2,433.8
|
|
| Current portion |
2,337.8
|
|
| Noncurrent portion |
96.0
|
|
| Vendor financing | UPC Holding |
|
|
| Debt Instrument [Line Items] |
|
|
| 2020 |
644.6
|
|
| 2021 |
22.7
|
|
| 2022 |
20.1
|
|
| 2023 |
17.5
|
|
| 2024 |
7.7
|
|
| Total vendor financing maturities |
712.6
|
|
| Current portion |
644.6
|
|
| Noncurrent portion |
68.0
|
|
| Vendor financing | Telenet |
|
|
| Debt Instrument [Line Items] |
|
|
| 2020 |
402.9
|
|
| 2021 |
0.0
|
|
| 2022 |
0.0
|
|
| 2023 |
0.0
|
|
| 2024 |
0.0
|
|
| Total vendor financing maturities |
402.9
|
|
| Current portion |
402.9
|
|
| Noncurrent portion |
0.0
|
|
| Vendor financing | Other |
|
|
| Debt Instrument [Line Items] |
|
|
| 2020 |
68.9
|
|
| 2021 |
53.5
|
|
| 2022 |
47.2
|
|
| 2023 |
29.3
|
|
| 2024 |
0.0
|
|
| Total vendor financing maturities |
198.9
|
|
| Current portion |
68.9
|
|
| Noncurrent portion |
$ 130.0
|
|