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Long-term assets - E.1.6. Impairment testing of goodwill (Details) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Disclosure of information for cash-generating units [line items] |  |
Goodwill impairment testing, period of planning horizon | 15 years |
Colombia |  |
Disclosure of information for cash-generating units [line items] |  |
WACC rate, impairment loss test, Bits Per Second | 0.82% |
Average EBITDA margin, impairment loss test, Bits Per Second | (1.07%) |
CAPEX intensity, impairment loss test, Bits Per Second | 0.13% |
Nicaragua |  |
Disclosure of information for cash-generating units [line items] |  |
WACC rate, impairment loss test, Bits Per Second | 1.17% |
Minimum |  |
Disclosure of information for cash-generating units [line items] |  |
WACC rates, sensitivity analysis, changes in key assumptions (in percent) | (2.00%) | (1.00%)
Perpetual growth rate, , sensitivity analysis, changes in key assumptions (in percent) | (1.00%) | (1.00%)
EBITDA margin, sensitivity analysis, changes in key assumptions (in percent) | (2.00%) | (2.00%)
CAPEX intensity, sensitivity analysis, changes in key assumptions (in percent) | (1.00%) | (1.00%)
Maximum |  |
Disclosure of information for cash-generating units [line items] |  |
WACC rates, sensitivity analysis, changes in key assumptions (in percent) | 2.00% | 1.00%
Perpetual growth rate, , sensitivity analysis, changes in key assumptions (in percent) | 1.00% | 1.00%
EBITDA margin, sensitivity analysis, changes in key assumptions (in percent) | 2.00% | 2.00%
CAPEX intensity, sensitivity analysis, changes in key assumptions (in percent) | 1.00% | 1.00%
Bolivia |  |
Disclosure of information for cash-generating units [line items] |  |
Average EBITDA margin | 41.20% | 42.70%
Average CAPEX intensity | 15.20% | 16.60%
Perpetual growth rate | 1.00% | 1.00%
WACC rate after tax | 9.80% | 11.60%
Colombia |  |
Disclosure of information for cash-generating units [line items] |  |
Average EBITDA margin | 36.00% | 36.10%
Average CAPEX intensity | 17.20% | 17.40%
Perpetual growth rate | 2.00% | 2.00%
WACC rate after tax | 11.40% | 8.90%
Guatemala |  |
Disclosure of information for cash-generating units [line items] |  |
Average EBITDA margin | 51.20% | 54.70%
Average CAPEX intensity | 11.60% | 12.30%
Perpetual growth rate | 1.00% | 1.00%
WACC rate after tax | 10.10% | 8.40%
Costa Rica |  |
Disclosure of information for cash-generating units [line items] |  |
Average EBITDA margin | 37.50% | 35.50%
Average CAPEX intensity | 15.50% | 15.10%
Perpetual growth rate | 2.00% | 2.00%
WACC rate after tax | 11.80% | 11.10%
El Salvador |  |
Disclosure of information for cash-generating units [line items] |  |
Average EBITDA margin | 41.00% | 39.30%
Average CAPEX intensity | 13.00% | 12.90%
Perpetual growth rate | 1.00% | 1.00%
WACC rate after tax | 14.10% | 14.70%
Nicaragua |  |
Disclosure of information for cash-generating units [line items] |  |
Average EBITDA margin | 46.80% | 45.90%
Average CAPEX intensity | 14.50% | 16.00%
Perpetual growth rate | 2.50% | 3.00%
WACC rate after tax | 15.00% | 12.50%
Panama |  |
Disclosure of information for cash-generating units [line items] |  |
Average EBITDA margin | 46.90% | 47.00%
Average CAPEX intensity | 14.90% | 17.20%
Perpetual growth rate | 1.00% | 1.00%
WACC rate after tax | 8.80% | 7.00%
Paraguay |  |
Disclosure of information for cash-generating units [line items] |  |
Average EBITDA margin | 44.50% | 42.60%
Average CAPEX intensity | 14.90% | 15.40%
Perpetual growth rate | 1.00% | 1.00%
WACC rate after tax | 10.00% | 8.30%
Tanzania |  |
Disclosure of information for cash-generating units [line items] |  |
Average EBITDA margin |  | 38.00%
Average CAPEX intensity |  | 12.50%
Perpetual growth rate |  | 1.00%
WACC rate after tax |  | 13.20%

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