v3.25.2
Segment reporting (Detail) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Disclosure Of Operating Segments [Line Items]            
Net interest income $ 1,965 $ 1,629 $ 1,535 $ 3,595 $ 3,475  
Non-interest income       21,074 21,167  
Total revenues 12,112 12,557 11,904 24,668 24,642  
Credit loss expense / (release) 163 100 95 263 201  
Operating expenses 9,756 10,324 10,340 20,080 20,597  
Operating profit / (loss) before tax 2,193 2,132 1,469 4,325 3,844  
Tax expense / (benefit) (209) 430 293 221 905  
Net profit / (loss) 2,402 1,702 1,175 4,105 2,939  
Additional information            
Total assets 1,669,991 1,543,363   1,669,991   $ 1,565,028
Global Wealth Management            
Disclosure Of Operating Segments [Line Items]            
Net interest income       3,413 3,698  
Non-interest income       9,309 8,498  
Total revenues       12,722 12,196  
Credit loss expense / (release) 3 6 (1) 9 (4)  
Operating expenses       10,150 10,228  
Operating profit / (loss) before tax       2,563 1,972  
Additional information            
Total assets 584,157     584,157   559,601
Personal & Corporate Banking            
Disclosure Of Operating Segments [Line Items]            
Net interest income       2,605 2,859  
Non-interest income       1,941 1,836  
Total revenues       4,547 4,695  
Credit loss expense / (release) 114 53 103 167 146  
Operating expenses       3,078 2,800  
Operating profit / (loss) before tax       1,302 1,748  
Additional information            
Total assets 481,297     481,297   447,068
Asset Management            
Disclosure Of Operating Segments [Line Items]            
Net interest income       (34) (31)  
Non-interest income       1,547 1,574  
Total revenues       1,513 1,543  
Credit loss expense / (release) 0 0 0 0 0  
Operating expenses       1,224 1,303  
Operating profit / (loss) before tax       289 241  
Additional information            
Total assets 25,873     25,873   22,702
Investment Bank            
Disclosure Of Operating Segments [Line Items]            
Net interest income       (1,575) (1,841)  
Non-interest income       7,724 7,394  
Total revenues       6,149 5,554  
Credit loss expense / (release) 48 35 (6) 83 26  
Operating expenses       4,788 4,496  
Operating profit / (loss) before tax       1,279 1,032  
Additional information            
Total assets 520,571     520,571   453,422
Non-core and Legacy            
Disclosure Of Operating Segments [Line Items]            
Net interest income       (23) 57  
Non-interest income       225 1,345  
Total revenues       202 1,402  
Credit loss expense / (release) (2) 7 (1) 6 35  
Operating expenses       838 1,818  
Operating profit / (loss) before tax       (642) (451)  
Additional information            
Total assets 38,279     38,279   68,260
Group Items            
Disclosure Of Operating Segments [Line Items]            
Net interest income       (791) (1,267)  
Non-interest income       327 520  
Total revenues       (465) (747)  
Credit loss expense / (release) 0 $ (1) $ 0 (1) (2)  
Operating expenses       2 (48)  
Operating profit / (loss) before tax       (465) $ (699)  
Additional information            
Total assets $ 19,813     $ 19,813   $ 13,975