v3.25.4

Contingent liabilities, commitments and guarantees - Narrative (Details) £ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2025 GBP (£) classAction | Dec. 31, 2024 GBP (£)
Disclosure of contingent liabilities [line items] |  |
Contingent liabilities | £ 3,009 | £ 2,605
Commitments | 157,574 | 148,619
Capital commitments | 610 | 640
Capital expenditure contracted for but not recognised | £ 312 | 236
Number of class actions | classAction | 2 |
Legal proceedings contingent liability |  |
Disclosure of contingent liabilities [line items] |  |
Increase in current tax liability | £ 980 |
Decrease in deferred tax asset | (270) |
Maximum exposure |  |
Disclosure of contingent liabilities [line items] |  |
Irrevocable commitments | £ 88,135 | £ 79,518

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- Definition The amount of the estimated financial effect of contingent liabilities. [Refer: Classes of contingent liabilities [domain]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2025-01-01 -Paragraph 86 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2025-en-r&anchor=para_86_a&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 259 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_259_a&doctype=Standard -URIDate 2025-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 259 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_259_a&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition The increase (decrease) in a deferred tax liability (asset). [Refer: Deferred tax liability (asset)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 12 -IssueDate 2025-01-01 -Paragraph 81 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81&doctype=Standard -URIDate 2025-03-27 + Details
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