XML 589 R245.htm IDEA: XBRL DOCUMENT v3.25.0.1
Structured entities - Unconsolidated Structured Entities, Total Assets (Details) - GBP (£)
£ in Billions
Dec. 31, 2024
Dec. 31, 2023
Collective investment vehicles and limited partnerships    
STRUCTURED ENTITIES (Details) - Narrative [Line Items]    
Total assets of structured entities £ 2,434 £ 2,184
Securitisation vehicles    
STRUCTURED ENTITIES (Details) - Narrative [Line Items]    
Total assets of structured entities £ 5 £ 5