SUBORDINATED LIABILITIES - Schedule of Subordinated Liabilities (Details) - GBP (£) £ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Subordinated liabilities [abstract] | ||
| £325m Sterling preference shares, notional amount | £ 325 | £ 325 |
| £325m Sterling preference shares | 343 | 343 |
| Undated subordinated liabilities | 204 | 205 |
| Dated subordinated liabilities | 2,005 | 1,484 |
| Subordinated liabilities | £ 2,552 | £ 2,032 |
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- Definition The amount of subordinated liabilities that have a specified repayment date. [Refer: Subordinated liabilities] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The nominal value of capital arising from issuing preference shares. [Refer: Issued capital] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of liabilities that are subordinate to other liabilities with respect to claims. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition The amount of subordinated liabilities that do not have a specified repayment date. [Refer: Subordinated liabilities] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The nominal or face amount of an equity instrument, used to calculate payments made on that instrument. No definition available.
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