v3.10.0.1

Equity (Narrative) (Details) $ / shares in Units, € in Millions |  | 1 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Oct. 04, 2018 EUR (€) | Oct. 04, 2018 USD ($) | Aug. 31, 2018 EUR (€) | Dec. 31, 2018 USD ($) class $ / shares shares | Dec. 31, 2017 $ / shares shares | Jul. 01, 2015 vote
Class of Stock [Line Items] |  |  |  |  |  |
Share capital authorized, aggregate nominal amount | $ |  |  |  | $ 20,000,000.0 |  |
Minimum number of classes or series of stock which may be authorized | class |  |  |  | 1 |  |
Dividends | € 351.6 | $ 404,800,000 |  |  |  |
Telenet |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Dividends | € |  |  | € 600.0 |  |  |
Options | Telenet |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Awards outstanding (in shares) |  |  |  | 4,494,002 |  |
Class A |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Common stock, nominal value (in dollars per share) | $ / shares |  |  |  | $ 0.01 | $ 0.01 |
Number of votes allowed per class of stock (in votes) | vote |  |  |  |  |  | 10
Number of ordinary shares convertible to certain class of ordinary shares (in shares) |  |  |  | 1 |  |
Class A | Options |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Awards outstanding (in shares) |  |  |  | 580,254 | 580,481 |
Class A | PSUs, PGUs, RSUs |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Common reserved for issuance (in shares) |  |  |  | 3,487,018 |  |
Class B |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Common stock, nominal value (in dollars per share) | $ / shares |  |  |  | $ 0.01 | $ 0.01 |
Number of votes allowed per class of stock (in votes) | vote |  |  |  |  |  | 1
Common reserved for issuance (in shares) |  |  |  | 11,099,593 |  |
Class C |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Common stock, nominal value (in dollars per share) | $ / shares |  |  |  | $ 0.01 | $ 0.01 |
Class C | Options |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Awards outstanding (in shares) |  |  |  | 2,667,506 | 2,725,566 |
Class C | PSUs, PGUs, RSUs |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Common reserved for issuance (in shares) |  |  |  | 6,976,788 |  |

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