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Business combinations (Details) £ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 GBP (£) company | Dec. 31, 2023 GBP (£) company | Dec. 31, 2022 GBP (£)
Business combinations |  |  |
Percentage of impact on revenue and Adjusted Operating Profit for business combination to be considered material | 5.00% |  |
Percentage of impact on goodwill for business combination to be considered material | 10.00% |  |
Percentage of share capital acquired | 100.00% |  |
Number of companies and businesses acquired | company | 36 | 41 |
Total purchase consideration | £ 182 | £ 261 |
Cash outflow on current and past acquisitions | £ 172 | £ 242 | £ 1,018

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- Definition The fair value, at acquisition date, of the consideration transferred in a business combination. [Refer: Total for all business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2024-01-01 -Paragraph B64 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2024-en-r&anchor=para_B64_f&doctype=Appendix&subtype=B -URIDate 2024-03-27 + Details
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- Definition The aggregate cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities. [Refer: Total for all subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2024-01-01 -Paragraph 39 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_39&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The percentage of voting equity interests acquired in a business combination. [Refer: Total for all business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2024-01-01 -Paragraph B64 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2024-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B -URIDate 2024-03-27 + Details
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- Definition Represents the number of companies and businesses acquired. + References No definition available. + Details
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