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v3.19.2

Significant Accounting Policies - Disclosure of Recognition of Effects of Inflation in Countries with Hyperinflationary Economic Environments (Detail) | 6 Months Ended
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Jun. 30, 2019 | Jun. 30, 2018
Two Thousand Seventeen to Two Thousand Nineteen [member] | Mexico [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation | 15.90% |
Type of Economy | Non-hyperinflationary |
Two Thousand Seventeen to Two Thousand Nineteen [member] | Guatemala [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation | 12.90% |
Type of Economy | Non-hyperinflationary |
Two Thousand Seventeen to Two Thousand Nineteen [member] | Costa Rica [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation | 6.10% |
Type of Economy | Non-hyperinflationary |
Two Thousand Seventeen to Two Thousand Nineteen [member] | Panama [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation | 1.40% |
Type of Economy | Non-hyperinflationary |
Two Thousand Seventeen to Two Thousand Nineteen [member] | Colombia [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation | 11.00% |
Type of Economy | Non-hyperinflationary |
Two Thousand Seventeen to Two Thousand Nineteen [member] | Nicaragua [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation | 15.00% |
Type of Economy | Non-hyperinflationary |
Two Thousand Seventeen to Two Thousand Nineteen [member] | Argentina [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation | 145.00% |
Type of Economy | Hyperinflationary |
Two Thousand Seventeen to Two Thousand Nineteen [member] | Brazil [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation | 10.80% |
Type of Economy | Non-hyperinflationary |
Two Thousand Seventeen to Two Thousand Nineteen [member] | Philippines [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Type of Economy | Non-hyperinflationary |
Two Thousand Seventeen to Two Thousand Nineteen [member] | Euro Zone [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation | 4.50% |
Type of Economy | Non-hyperinflationary |
Two Thousand Seventeen to Two Thousand Nineteen [member] | Chile [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation | 7.90% |
Type of Economy | Non-hyperinflationary |
Two Thousand Seventeen to Two Thousand Nineteen [member] | Peru [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation | 6.80% |
Type of Economy | Non-hyperinflationary |
Two Thousand Seventeen to Two Thousand Nineteen [member] | Ecuador [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation | 0.60% |
Type of Economy | Non-hyperinflationary |
Two Thousand Seventeen to Two Thousand Nineteen [member] | Uruguay [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation | 21.90% |
Type of Economy | Non-hyperinflationary |
Two Thousand Sixteen to Two Thousand Eighteen [member] | Mexico [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation |  | 15.70%
Type of Economy |  | Non-hyperinflationary
Two Thousand Sixteen to Two Thousand Eighteen [member] | Guatemala [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation |  | 12.20%
Type of Economy |  | Non-hyperinflationary
Two Thousand Sixteen to Two Thousand Eighteen [member] | Costa Rica [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation |  | 5.70%
Type of Economy |  | Non-hyperinflationary
Two Thousand Sixteen to Two Thousand Eighteen [member] | Panama [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation |  | 2.10%
Type of Economy |  | Non-hyperinflationary
Two Thousand Sixteen to Two Thousand Eighteen [member] | Colombia [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation |  | 13.40%
Type of Economy |  | Non-hyperinflationary
Two Thousand Sixteen to Two Thousand Eighteen [member] | Nicaragua [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation |  | 13.10%
Type of Economy |  | Non-hyperinflationary
Two Thousand Sixteen to Two Thousand Eighteen [member] | Argentina [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation |  | 158.40%
Type of Economy |  | Non-hyperinflationary
Two Thousand Sixteen to Two Thousand Eighteen [member] | Brazil [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation |  | 25.00%
Type of Economy |  | Non-hyperinflationary
Two Thousand Sixteen to Two Thousand Eighteen [member] | Philippines [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation |  | 11.90%
Type of Economy |  | Non-hyperinflationary
Two Thousand Sixteen to Two Thousand Eighteen [member] | Euro Zone [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation |  | 2.70%
Type of Economy |  | Non-hyperinflationary
Two Thousand Sixteen to Two Thousand Eighteen [member] | Chile [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation |  | 9.70%
Type of Economy |  | Non-hyperinflationary
Two Thousand Sixteen to Two Thousand Eighteen [member] | Peru [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation |  | 9.30%
Type of Economy |  | Non-hyperinflationary
Two Thousand Sixteen to Two Thousand Eighteen [member] | Ecuador [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation |  | 30.30%
Type of Economy |  | Non-hyperinflationary
Two Thousand Sixteen to Two Thousand Eighteen [member] | Uruguay [member] |  |
Disclosure of Hyperinflationary Reporting [line items] |  |
Cumulative Inflation |  | 25.30%
Type of Economy |  | Non-hyperinflationary

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