Acquisitions - Consideration paid for acquiring asset and liabilities (Detail) - GBP (£) £ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Acquisitions | |||
| Goodwill | £ 140 | £ 146 | £ 68 |
| Intangible assets | 134 | 72 | 64 |
| Property, plant and equipment | 1 | ||
| Current assets | 3 | 6 | 3 |
| Current liabilities | (6) | (14) | (10) |
| Borrowings | (2) | ||
| Deferred tax | (25) | (15) | (6) |
| Net assets acquired | 244 | 195 | 120 |
| Consideration (after taking account of net cash acquired) | 244 | 195 | 120 |
| Change in consideration deferred to future years and changes in contingent consideration relating to prior year acquisitions | (2) | (30) | (12) |
| Net cash flow | 242 | 165 | 108 |
| Net cash acquired | 1 | 7 | 4 |
| Total consideration for acquisitions, including acquisition of non-controlling interest | 270 | 195 | |
| Total consideration for acquisitions adjusted for cash acquired | 243 | 188 | |
| Cash spent on acquisitions | 260 | 170 | 124 |
| Deferred consideration for past and current year acquisitions | £ 18 | £ 5 | £ 16 |
| X | ||||||||||
- Definition The amount recognised as of the acquisition date for borrowings assumed in a business combination. [Refer: Borrowings; Total for all business combinations [member]] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The aggregate cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities. [Refer: Total for all subsidiaries [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount recognised as of the acquisition date for current assets acquired in a business combination. [Refer: Current assets; Total for all business combinations [member]] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The amount recognised as of the acquisition date for current liabilities assumed in a business combination. [Refer: Current liabilities; Total for all business combinations [member]] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The amount recognised as of the acquisition date for deferred tax liabilities assumed in a business combination. [Refer: Deferred tax liabilities; Total for all business combinations [member]] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The amount recognised as of the business combination's acquisition date for goodwill. [Refer: Goodwill; Total for all business combinations [member]] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition The amount recognised as of the acquisition date for identifiable intangible assets acquired in a business combination. [Refer: Intangible assets other than goodwill; Total for all business combinations [member]] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition The amount recognised as of the acquisition date for plant, property and equipment acquired in a business combination. [Refer: Property, plant and equipment; Total for all business combinations [member]] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Aggregate consideration transferred adjusted for cash acquired. No definition available.
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- Definition Aggregate consideration transferred before debt and cash acquired. No definition available.
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- Definition The aggregate cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities representing an adjustment to the purchase price of a previous acquisition. No definition available.
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- Definition Cash paid for current period purchase of businesses, net of cash acquired No definition available.
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- Definition Change in consideration deferred to future years and changes in contingent consideration relating to prior year acquisitions No definition available.
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- Definition Consideration transferred less net cash acquired, acquisition-date fair value No definition available.
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- Definition Net assets acquired (including goodwill) No definition available.
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| X | ||||||||||
- Definition Net cash and cash equivalents recognised as of acquisition date No definition available.
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