Retirement benefit obligations - Schedule of Charges to Income Statement (Details) - GBP (£) £ in Millions |
6 Months Ended | ||
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Jun. 30, 2026 |
Dec. 31, 2025 |
Jun. 30, 2025 |
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| Schedule of Retirement Benefit Charges to Income Statement [Line Items] | |||
| Income statement credit | £ (15) | £ (22) | £ (15) |
| Defined contribution schemes | 291 | 279 | 285 |
| Total charge to the income statement | £ 276 | £ 257 | £ 270 |
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Schedule Of Retirement Benefit Charges To Income Statement No definition available.
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