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Income Taxes - Summary of Income Tax Expense (Benefit) (Detail) - MXN ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Disclosure of income taxes [line items]      
Current $ 2,055,783 $ 2,117,491 $ 1,849,551
Deferred (164,340) (248,450) (408,910)
Income tax 1,891,443 1,869,041 1,440,641
ISR [Member]      
Disclosure of income taxes [line items]      
Current 2,055,783 2,117,491 1,849,551
Deferred (164,340) (248,450) (408,910)
Income tax $ 1,891,443 $ 1,869,041 $ 1,440,641