v3.25.2
Net fee income - Summary of net fee income (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Disclosure Of Analysis Of Income And Expense [Line Items]    
Funds under management $ 1,355 $ 1,206
Cards 1,388 1,395
Credit facilities 694 754
Account services 734 760
Broking income 769 626
Unit trusts 659 515
Underwriting 385 369
Global custody 457 401
Remittances 418 399
Imports/exports 294 313
Insurance agency commission 237 183
Other 1,250 1,237
Fee income 8,640 8,158
Less: fee expense (1,997) (1,958)
Net fee income 6,643 6,200
Hong Kong    
Disclosure Of Analysis Of Income And Expense [Line Items]    
Net fee income 1,435 1,154
UK    
Disclosure Of Analysis Of Income And Expense [Line Items]    
Net fee income 907 891
CIB    
Disclosure Of Analysis Of Income And Expense [Line Items]    
Net fee income 2,217 2,223
IWPB    
Disclosure Of Analysis Of Income And Expense [Line Items]    
Net fee income 2,085 1,922
Corporate Centre    
Disclosure Of Analysis Of Income And Expense [Line Items]    
Net fee income $ (1) $ 10