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v3.23.2

Segment analysis (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2023 USD ($) segment | Jun. 30, 2022 USD ($)
Segment analysis |  |  |  |
Number of operating segments. | segment |  |  | 2 |
Number of reportable segments | segment |  |  | 2 |
(Loss)/profit for the period | $ (10) | $ 100 | $ (11) | $ 157
Income tax (credit)/charge | (2) | 12 | (11) | 19
Net finance expense/(income) | 23 | (40) | 46 | (63)
Depreciation and amortization | 100 | 89 | 198 | 175
Exceptional operating items | 40 | 20 | 59 | 38
Adjusted EBITDA | $ 151 | $ 181 | $ 281 | $ 326

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