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Related party transactions (Details) - USD ($) | 12 Months Ended | 24 Months Ended
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2024
Related party borrowings and receivables |  |  |  |  |
Amount payable | $ 6,000,000 | $ 9,000,000 |  |  | $ 6,000,000
Other related party transactions |  |  |  |  |
Reimbursement of costs | $ 2,000,000 |  |  |  |
Corporate services provided. |  |  | $ 38,000,000 | $ 33,000,000 | $ 39,000,000
Yeoman Capital S.A. and subsidiaries | ARD Holdings S.A. |  |  |  |  |
Related party borrowings and receivables |  |  |  |  |
Percentage of issued share capital holding | 33.88% |  |  |  | 33.88%
Paul Coulson Ownership Interests |  |  |  |  |
Related party borrowings and receivables |  |  |  |  |
Shares held in entity. | 125,000 |  |  |  | 125,000
Paul Coulson Ownership Interests | ARD Holdings S.A. |  |  |  |  |
Related party borrowings and receivables |  |  |  |  |
Percentage of issued share capital holding | 18.83% |  |  |  | 18.83%
Paul Coulson Ownership Interests | Yeoman Capital S.A. and subsidiaries |  |  |  |  |
Related party borrowings and receivables |  |  |  |  |
Percentage of interest in Yeoman Capital S.A | 52.44% |  |  |  | 52.44%
Key Management Personnel |  |  |  |  |
Related party borrowings and receivables |  |  |  |  |
Amount payable | $ 4,000,000 | 1,000,000 |  |  | $ 4,000,000
Salaries and other short term employee benefits | 6,000,000 | 3,000,000 |  |  |
Potential other post employment and other benefits payable. | 3,000,000 | 0 |  |  | $ 3,000,000
Postemployment benefits | $ 3,000,000 | $ 1,000,000 |  |  |

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