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Intangible Assets - Disclosure of Detailed Information About Sensitivity to Changes in Assumptions (Detail) | 12 Months Ended
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Dec. 31, 2018
Mexico [member] |
Disclosure of detailed information about intangible assets [line items] |
Changes in WACC | 0.30%
Changes in volume growth CAGR | (1.00%)
Effect on Valuation | Passes by 5.0x
Guatemala [member] |
Disclosure of detailed information about intangible assets [line items] |
Changes in WACC | 0.70%
Changes in volume growth CAGR | (1.00%)
Effect on Valuation | Passes by 18.4x
Nicaragua [member] |
Disclosure of detailed information about intangible assets [line items] |
Changes in WACC | 0.30%
Changes in volume growth CAGR | (0.30%)
Effect on Valuation | Passes by 1.0x
Costa Rica [member] |
Disclosure of detailed information about intangible assets [line items] |
Changes in WACC | 1.70%
Changes in volume growth CAGR | (1.00%)
Effect on Valuation | Passes by 1.9x
Panama [member] |
Disclosure of detailed information about intangible assets [line items] |
Changes in WACC | 0.30%
Changes in volume growth CAGR | (1.00%)
Effect on Valuation | Passes by 6.9x
Colombia [member] |
Disclosure of detailed information about intangible assets [line items] |
Changes in WACC | 0.60%
Changes in volume growth CAGR | (1.00%)
Effect on Valuation | Passes by 3.9x
Brazil [member] |
Disclosure of detailed information about intangible assets [line items] |
Changes in WACC | 1.10%
Changes in volume growth CAGR | (1.00%)
Effect on Valuation | Passes by 1.3x
Argentina [member] |
Disclosure of detailed information about intangible assets [line items] |
Changes in WACC | 6.10%
Changes in volume growth CAGR | (1.00%)
Effect on Valuation | Passes by 8.9x

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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