v3.25.4
Net interest income - Summary of net interest income (Details) - GBP (£)
£ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of financial assets [line items]      
Cash and balances at central banks £ 7,759 £ 9,567 £ 8,384
Fair value through other comprehensive income 1,844 2,335 3,808
Cash collateral 1,849 2,026 1,987
Other 680 607 409
Interest and similar income 23,409 25,780 24,261
Deposits at amortised cost from banks and customers (8,723) (10,513) (8,741)
Debt securities in issue (2,551) (2,847) (3,030)
Subordinated liabilities (2,973) (2,990) (2,697)
Cash collateral (1,453) (2,185) (2,206)
Other (415) (500) (934)
Interest and similar expense (16,115) (19,035) (17,608)
Net interest income 7,294 6,745 6,653
Debt securities      
Disclosure of financial assets [line items]      
Loans and advances at amortised cost to banks and customers 1,953 1,737 1,819
Loans and advances at amortised cost      
Disclosure of financial assets [line items]      
Loans and advances at amortised cost to banks and customers £ 9,324 £ 9,508 £ 7,854