v3.26.1
Operating expenses (Details) - GBP (£)
£ in Millions
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Disclosure of Expenses [Abstract]    
Staff costs £ 2,233 £ 2,362
Premises and equipment costs 265 236
Depreciation and amortisation 1,741 1,722
Other 1,438 1,315
Total operating expenses £ 5,677 £ 5,635