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Dividends (Tables) | 12 Months Ended
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Dec. 31, 2022
Text Block [Abstract] |
Summary of Dividends Paid |
|  |  |  |  | 2022 |  |  |  |  |  | 2021 |  |  |  |  |  | 2020 |
Paid during the year |  |  |  |  | cents per share |  |  | $m |  |  |  |  |  | cents per share |  |  | $m |  |  |  |  |  | cents per share |  |  | $m |
Final (declared for previous year) |  |  |  |  |  |  | 85.9 |  |  |  | 154 |  |  |  |  |  |  |  | – |  |  |  | – |  |  |  |  |  |  |  | – |  |  |  | – |
Interim |  |  |  |  |  |  | 43.9 |  |  |  | 79 |  |  |  |  |  |  |  | – |  |  |  | – |  |  |  |  |  |  |  | – |  |  |  | – |
|  |  |  |  |  |  | 129.8 |  |  |  | 233 |  |  |  |  |  |  |  | – |  |  |  | – |  |  |  |  |  |  |  | – |  |  |  | – |

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