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Income Taxes - 2014 Tax Reform (Details) - MXN ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2020 | Dec. 31, 2019
Income Taxes |  |  |
Less: Current portion |  | $ 2,013,648 | $ 2,470,249
Non-current portion |  | 767,115 | 1,759,719
2014 Tax Reform |  |  |
Income Taxes |  |  |
Aggregate additional income tax liability for the elimination of the tax consolidation regime | $ 6,813,595 |  |
Benefit from tax loss carryforwards of Mexican companies in the Group | $ 7,936,044 |  |
Tax losses of subsidiaries, net |  | 1,759,301 | 3,230,248
Less: Current portion |  | 992,186 | 1,470,529
Non-current portion |  | $ 767,115 | $ 1,759,719

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