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Segment reporting - Reconciliation of information on reportable segments to the amounts reported in the financial statements (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Geographical information |  |  |  |  |  |
Segment Adjusted EBITDA |  | $ 281,758 | $ 273,755 | $ 781,489 | $ 969,047 |
Finance costs | [1] | (350,825) | (271,595) | (2,163,157) | (1,816,864) |
Depreciation and amortization |  | (91,308) | (104,931) | (266,040) | (340,381) |
Impairment of withholding tax receivables |  | (21,855) | (10,508) | (32,827) | (35,112) |
Impairment of property, plant and equipment, intangible assets excluding goodwill and related prepaid land rent |  | (4,132) | (103,429) | (10,075) | (108,510) |
Share-based payment expense |  | (1,813) | (2,654) | (9,879) | (9,571) |
Other costs |  | (1,783) | (3,211) | (8,175) | (8,059) |
Business combination costs |  | (578) | (161) | (958) | (1,647) |
Impairment of Goodwill |  |  |  | (87,894) |  |
Impairment of assets held for sale |  |  |  | (2,853) |  |
Impairment of other fixed assets |  |  |  | (31) |  |
Insurance claims |  | 11 | 32 | 51 | 310 |
Net gain on disposal of property, plant and equipment |  | 1,270 | 386 | 3,562 | 952 |
Finance income |  | 25,732 | 5,823 | 49,696 | 18,233 |
Other non-operating income |  |  | 1 |  | 59 |
Unallocated corporate expenses |  | (35,783) | (35,653) | (99,507) | (110,694) |
Loss before income tax | [1] | (199,306) | (252,145) | (1,846,598) | (1,442,237) |
Segment assets |  | 4,571,232 |  | 4,571,232 |  | $ 5,364,710
Segment liabilities |  | 4,837,196 |  | 4,837,196 |  | $ 5,017,356
Costs related to internal reorganization |  | 900 | 600 | 2,700 | 700 |
Consulting fees relating to corporate structures and operating systems |  | 700 | 1,700 | 5,200 | 4,500 |
Other one-off consulting fees |  | 0 | 700 | 0 | 1,700 |
Professional costs related to financing |  | 100 | 0 | 200 | 200 |
Cost of sales |  |  |  |  |  |
Geographical information |  |  |  |  |  |
Impairment of property, plant and equipment, intangible assets excluding goodwill and related prepaid land rent |  | (4,132) | (103,429) | (10,075) | (108,510) |
Impairment of assets held for sale |  |  |  | (2,853) |  |
SSA |  |  |  |  |  |
Geographical information |  |  |  |  |  |
Segment Adjusted EBITDA |  | 81,046 | 66,285 | 227,154 | 194,701 |
Segment assets |  | 1,404,708 | 1,401,864 | 1,404,708 | 1,401,864 |
Segment liabilities |  | $ 918,208 | $ 819,213 | $ 918,208 | $ 819,213 |
[1] | Revised comparative periods to reflect an adjustment related to the accounting treatment of foreign exchange on goods in transit in Nigeria (see note 21).

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