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Analysis of cash flows - Acquisitions and disposals (Detail) - GBP (£) £ in Millions | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021
Acquisitions and disposals: |  |
Initial cash consideration | £ (35.0) | £ (41.2)
Cash and cash equivalents acquired | 0.7 | 4.0
Earnout payments | (63.3) | (14.1)
Purchase of other investments (including associates) | (5.1) | (97.2)
Acquisitions | (102.7) | (148.5)
Proceeds on disposal of investments and subsidiaries1 | 41.7 | 3.1
Cash and cash equivalents disposed | (12.5) | (1.8)
Disposals of investments and subsidiaries | 29.2 | 1.3
Cash consideration received from non-controlling interests | 0.0 | 38.7
Cash consideration for purchase of non-controlling interests | (6.2) | (117.7)
Cash consideration for non-controlling interests | (6.2) | (79.0)
Net acquisition payments and disposal proceeds | £ (79.7) | £ (226.2)

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- Definition The cash outflow for changes in ownership interests in subsidiaries that do not result in a loss of control. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 42A -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_42A&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 42B -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_42B&doctype=Standard -URIDate 2022-03-24 + Details
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