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Income Taxes - Additional Information (Detail) - MXN ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
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%
Effective income tax rate for foreign jurisdiction | 31.00% | 15.00% | 20.00%
Percentage of share with voting right | 80.00% |  |
Brazil [member] |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Net operating loss carryforwards | $ 59,695,441 |  |
Effective taxable income percentage carryforward | 30.00% |  |
Effective taxable income percentage | 25.00% |  |
Corporate tax rate | 34.00% |  |
Austria [member] |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Net operating loss carryforwards | $ 20,128,833 |  |
operating loss carryforward effective tax rate annual limit | 75.00% |  |
Mexico [member] |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Accumulated tax loss | $ 6,043,603 |  |
Bottom of range [member] |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Statutory tax rates | 21.00% |  |
Top of range [member] |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Statutory tax rates | 40.00% |  |
CUCA [member] |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Contributed capital account | $ 536,278,717 | $ 510,832,194 |
CUFIN [member] |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Contributed capital account | $ 276,185,284 | $ 225,105,342 |

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