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Income Taxes - 2014 Tax Reform (Details) - MXN ($)
$ in Thousands
12 Months Ended
Dec. 31, 2013
Dec. 31, 2021
Dec. 31, 2020
Income Taxes      
Less: Current portion   $ 7,680,800 $ 2,013,648
Non-current portion   104,825 767,115
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   771,873 1,759,301
Less: Current portion   667,048 992,186
Non-current portion   $ 104,825 $ 767,115