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v3.20.2

Goodwill - Summary of Weighted Average Cost of Capital (Detail) - US Dollar [member] | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2020 | Dec. 31, 2019
Colombia [member] |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Weighted average cost of capital |  | 6.00%
Colombia [member] | Top of range [member] |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Weighted average cost of capital | 7.00% |
Colombia [member] | Bottom of range [member] |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Weighted average cost of capital | 6.00% |
Rest of Middle Americas [member] |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Weighted average cost of capital |  | 9.00%
Rest of Middle Americas [member] | Top of range [member] |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Weighted average cost of capital | 11.00% |
Rest of Middle Americas [member] | Bottom of range [member] |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Weighted average cost of capital | 10.00% |
South Africa [member] |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Weighted average cost of capital |  | 7.00%
South Africa [member] | Top of range [member] |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Weighted average cost of capital | 8.00% |
South Africa [member] | Bottom of range [member] |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Weighted average cost of capital | 7.00% |
Rest of Africa [member] |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Weighted average cost of capital |  | 10.00%
Rest of Africa [member] | Top of range [member] |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Weighted average cost of capital | 12.00% |
Rest of Africa [member] | Bottom of range [member] |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Weighted average cost of capital | 10.00% |
Rest Of Asia Pacific [Member] |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Weighted average cost of capital | 8.00% |

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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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- Details
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