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Related party disclosures (Tables) | 12 Months Ended
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Dec. 31, 2022
Text Block [Abstract] |
Summary of Total Compensation of Key Management Personnel |
Total compensation |  |  |  |  | 2022 $m |  |  |  |  |  | 2021 $m |  |  |  |  |  | 2020 $m |
Short-term employment benefits |  |  |  |  |  |  | 18.7 |  |  |  |  |  |  |  | 19.3 |  |  |  |  |  |  |  | 10.5 |
Contributions to defined contribution pension plans |  |  |  |  |  |  | 0.5 |  |  |  |  |  |  |  | 0.5 |  |  |  |  |  |  |  | 0.3 |
Equity compensation benefits a |  |  |  |  |  |  | 13.4 |  |  |  |  |  |  |  | 8.1 |  |  |  |  |  |  |  | 2.3 |
|  |  |  |  |  |  | 32.6 |  |  |  |  |  |  |  | 27.9 |  |  |  |  |  |  |  | 13.1 |
a | As measured in accordance with IFRS 2 ‘Share-based Payment’.
Summary of Related Party Disclosures for Associates and Joint Ventures |
|  |  |  |  | 2022 $m |  |  |  |  |  | 2021 $m |  |  |  |  |  | 2020 $m |
Fee revenue |  |  |  |  |  |  | 9 |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  | 1 |
Amounts receivable |  |  |  |  |  |  | 10 |  |  |  |  |  |  |  | 11 |  |  |  |  |  |  |  | 11 |
Amounts payable |  |  |  |  |  |  | – |  |  |  |  |  |  |  | – |  |  |  |  |  |  |  | (4 | )

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- Definition The disclosure of information about key management personnel. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 10 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_10_e&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The disclosure of transactions between the entity and its related parties. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2022-03-24 -Paragraph 18 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2022-en-r&anchor=para_18&doctype=Standard -URIDate 2022-03-24 + Details
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