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Goodwill - Summary of Weighted Average Cost of Capital (Detail) - US Dollar [member] | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Colombia [member] |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Weighted average cost of capital | 6.00% | 6.00%
Rest of Middle Americas [member] |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Weighted average cost of capital | 10.00% | 9.00%
South Africa [member] |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Weighted average cost of capital | 8.00% | 7.00%
Rest of Africa [member] |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Weighted average cost of capital | 10.00% | 10.00%
Rest Of Asia Pacific [Member] |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Weighted average cost of capital | 6.00% | 6.00%

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- Definition Weighted average cost of capital of significant unobservable inputs assets. + References No definition available. + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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