v3.26.1
REPURCHASE AGREEMENTS – NON-TRADING (Details) - GBP (£)
£ in Millions
Jun. 30, 2026
Dec. 31, 2025
Disclosure Of Repurchase Agreements [Line Items]    
Repurchase agreements - non-trading £ 6,394 £ 9,029
Agreements with banks    
Disclosure Of Repurchase Agreements [Line Items]    
Repurchase agreements - non-trading 2,250 3,557
Agreements with customers    
Disclosure Of Repurchase Agreements [Line Items]    
Repurchase agreements - non-trading £ 4,144 £ 5,472