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Subordinated liabilities (Details) - GBP (£)
£ in Millions
Dec. 31, 2024
Dec. 31, 2023
Subordinated liabilities.    
Dated loan capital £ 5,996 £ 5,573
Undated loan capital 21 22
Preference shares 119 119
Total subordinated liabilities £ 6,136 £ 5,714