XML 177 R156.htm IDEA: XBRL DOCUMENT v3.22.1
Taxes - Reconciliation of tax rate (Details) - MXN ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Major components of tax expense (income) [abstract]      
Mexican statutory income tax rate 30.00% 30.00% 30.00%
Difference between book and tax inflationary values and translation effects (4.80%) (5.00%) (2.50%)
Annual inflation tax adjustment 7.70% 3.00% 0.20%
Difference between statutory income tax rates 0.20% 1.00% 0.90%
Non-deductible expenses 2.10% 3.80% 4.50%
Taxable (non-taxable) income 2.30% 2.90% (1.00%)
Others 0.10% (1.90%) (0.70%)
Impairments   4.60% 0.90%
Adjustments for previous tax years   30.30%  
Income tax credits (1.50%) (8.30%)  
Tax Loss (1.40%) 16.30% 0.10%
Consolidated Effective income tax rate 34.70% 76.70% 32.40%
Recognized deferred tax asset   $ 2,349  
Effective income tax rate without extraordinary effects   42.90%