v3.26.1
Dividends on ordinary shares and preference shares - Dividends on ordinary shares and preference shares (Details) - GBP (£)
£ in Millions
6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Dividends [Abstract]      
Ordinary shares £ 1,175 £ 1,375 £ 1,195
Preference shares 14 £ 14 18
Total £ 1,189   £ 1,213