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Income Taxes - Summary of Reconciliation of Statutory Income Tax Rate in Mexico to Consolidated Effective Income Tax Rate Recognized (Detail) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Statutory income tax rate in Mexico | 30.00% | 30.00% | 30.00%
Impact of non-deductibleand non-taxable items: |  |  |
Tax inflation effects | 2.10% | 7.20% | 7.80%
Derivatives | 0.30% | (0.20%) | (0.90%)
Employee benefits | 1.50% | 2.00% | 2.60%
Other | 4.80% | 2.20% | (2.90%)
Dividends received from associates Equity | 0.00% | (0.10%) | (0.70%)
Foreign subsidiaries and other non-deductible items, net | (2.20%) | (2.60%) | 8.70%
Tax rates differences | (3.10%) | (2.00%) | (2.80%)
Effective tax rate from continuing operations | 29.90% | 34.30% | 31.20%
Effective tax rate from discontinued operation | 0.00% | (21.20%) | (16.40%)
Mexico [member] |  |  |
Impact of non-deductibleand non-taxable items: |  |  |
Effective tax rate | 38.70% | 41.20% | 36.60%
Brazil [member] |  |  |
Impact of non-deductibleand non-taxable items: |  |  |
Tax recoveries and NOL's in Brazil | (3.50%) | (2.20%) | (10.60%)

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