v3.25.4

Fair values of financial assets and liabilities - Schedule of Valuation Hierarchy for Financial Assets (Details) - GBP (£) £ in Millions | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
FINANCIAL INSTRUMENTS (Details) - Schedule of Valuation Hierarchy for Financial Assets [Line Items] |  |
Loans and advances to banks | £ 7,236 | £ 7,900
Loans and advances to customers | 481,463 | 459,857
Reverse repurchase agreements | 50,986 | 49,476
Debt securities | 13,987 | 14,544
Level 1 £m |  |
FINANCIAL INSTRUMENTS (Details) - Schedule of Valuation Hierarchy for Financial Assets [Line Items] |  |
Loans and advances to banks | 0 | 0
Loans and advances to customers | 0 | 0
Reverse repurchase agreements | 0 | 0
Debt securities | 0 | 0
Level 2 £m |  |
FINANCIAL INSTRUMENTS (Details) - Schedule of Valuation Hierarchy for Financial Assets [Line Items] |  |
Loans and advances to banks | 0 | 0
Loans and advances to customers | 0 | 0
Reverse repurchase agreements | 50,986 | 49,476
Debt securities | 12,908 | 11,980
Level 3 £m |  |
FINANCIAL INSTRUMENTS (Details) - Schedule of Valuation Hierarchy for Financial Assets [Line Items] |  |
Loans and advances to banks | 7,235 | 7,892
Loans and advances to customers | 480,703 | 455,846
Reverse repurchase agreements | 0 | 0
Debt securities | 1,174 | 2,400
Carrying value £m |  |
FINANCIAL INSTRUMENTS (Details) - Schedule of Valuation Hierarchy for Financial Assets [Line Items] |  |
Loans and advances to banks | 7,236 | 7,900
Loans and advances to customers | 481,463 | 459,857
Reverse repurchase agreements | 50,986 | 49,476
Debt securities | 13,987 | 14,544
Fair value £m |  |
FINANCIAL INSTRUMENTS (Details) - Schedule of Valuation Hierarchy for Financial Assets [Line Items] |  |
Loans and advances to banks | 7,235 | 7,892
Loans and advances to customers | 480,703 | 455,846
Reverse repurchase agreements | 50,986 | 49,476
Debt securities | £ 14,082 | £ 14,380

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