v3.25.4
Dividends - Additional Information (Detail)
£ / shares in Units, £ in Millions
12 Months Ended
Dec. 31, 2025
GBP (£)
£ / shares
Disclosure of Dividends [abstract]  
Dividends proposed per share | £ / shares £ 17.4
Dividends proposed estimated effect on shareholders' funds | £ £ 109
Dividend payable record date Mar. 20, 2026
Divideds payable date to be paid May 08, 2026