v3.25.4
Taxation - Additional information (Details) - GBP (£)
£ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure Of Income Tax Expenses      
Current tax charge £ 726 £ 607 £ 575
Net tax paid £ 638 £ 662 £ 619
Applicable tax rate 25.00% 25.30% 24.90%
Average effective tax rate 24.40% 24.00% 22.10%
Income not taxable and expenses not deductible, research and development and other tax £ 20 £ 21 £ 21
Uncertain tax provisions 159 168  
United Kingdom      
Disclosure Of Income Tax Expenses      
Current tax charge £ 218 £ 187 £ 157