Net trading income (losses) (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2025 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Disclosure of trading income (expense) [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Net Trading Income (Expense) |
1Comparative periods have been represented for presentational changes. See note 1. 2Includes hedge ineffectiveness in respect of fair value hedges (2025: loss of £54 million; 2024: loss of £81 million; 2023: loss of £267 million) and cash flow hedges (2025: gain of £54 million; 2024: loss of £60 million; 2023: gain of £19 million). |