Contingent liabilities, commitments and guarantees (Details) - GBP (£) £ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Disclosure of contingent liabilities [line items] | ||
| Estimated financial effect of contingent liabilities | £ 3,011 | £ 2,987 |
| Gross loan commitments | 144,260 | 135,570 |
| Capital commitments | 788 | 610 |
| Legal proceedings contingent liability | ||
| Disclosure of contingent liabilities [line items] | ||
| Increase in current tax liabilities | 855 | |
| Reduction in deferred tax asset | 270 | |
| Maximum Exposure | ||
| Disclosure of contingent liabilities [line items] | ||
| Irrevocable commitments and guarantees | £ 72,335 | £ 65,360 |
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- Definition The amount of future capital expenditures that the entity is committed to make. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. No definition available.
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- Definition The amount of the estimated financial effect of contingent liabilities. [Refer: Classes of contingent liabilities [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of contractual undiscounted cash flows for gross commitments to receive a loan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The increase (decrease) in a deferred tax liability (asset). [Refer: Deferred tax liability (asset)] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Increase (Decrease) In Current Tax Liability No definition available.
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- References No definition available.
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