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Acquisitions, Investments, Dispositions and Assets Held for Sale - Imagina Media Audiovisual, S.L. (Details) - Imagina $ in Thousands, € in Millions | 1 Months Ended |  |  |  |
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Feb. 28, 2018 | Dec. 31, 2020 EUR (€) | Dec. 31, 2020 MXN ($) | Dec. 31, 2019 EUR (€) | Dec. 31, 2019 MXN ($) | Dec. 31, 2018 EUR (€) | Dec. 31, 2018 MXN ($) | Jun. 30, 2018 EUR (€) | Jun. 30, 2018 MXN ($)
Disclosure of associates |  |  |  |  |  |  |  |  |
Proportion of sale of ownership interest in associate | 19.90% |  |  |  |  |  |  |  |
Sale consideration |  |  |  |  |  |  |  | € 284.5 | $ 6,603,751
Cash consideration received for the disposal of assets and liabilities |  |  |  |  |  |  |  | 251.3 | 5,832,360
Amount held in Escrow for litigation costs |  | € 2.2 | $ 54,302 | € 5.4 | $ 114,127 |  |  | € 33.2 | $ 771,391
Amount released from escrow |  |  |  |  |  | € 16.1 | $ 366,354 |  |
Amount used for escrow |  |  |  |  |  | € 1.5 | $ 33,558 |  |

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