v3.26.1
Acquisition of Evelyn Partners - Transactions accounted for separately (Details) - Evelyn Partners [member]
£ in Millions
6 Months Ended
Jun. 30, 2026
GBP (£)
Repayment of external debt resulting in reduction of borrowings  
Disclosure of detailed information about business combination [line items]  
External debt held by Evelyn Partners amounting £ 674
Management loans held by previous investors  
Disclosure of detailed information about business combination [line items]  
External debt held by Evelyn Partners amounting £ 11