v3.25.4
Investments in subsidiaries - Subsidiaries with significant non-controlling interests (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of subsidiaries [line items]      
Profit attributable to non-controlling interests $ 846 $ 1,020 $ 1,026
Accumulated non-controlling interests of the subsidiary 7,441 7,300  
Summarised financial information:      
– total assets 3,233,034 3,017,048 3,038,677
– total liabilities 3,027,368 2,824,775  
– profit for the year 23,131 24,999 24,559
– total comprehensive income for the year $ 33,672 $ 26,939 $ 29,542
Hang Seng Bank Limited      
Disclosure of subsidiaries [line items]      
Proportion of ownership interests and voting rights held by non-controlling interests (%) 36.57% 36.88%  
Profit attributable to non-controlling interests $ 770 $ 905  
Accumulated non-controlling interests of the subsidiary 7,001 6,879  
Dividends paid to non-controlling interests 627 620  
Summarised financial information:      
– total assets 231,786 229,069  
– total liabilities 211,124 208,908  
– net operating income before changes in expected credit losses and other credit impairment charges 5,336 5,249  
– profit for the year 2,097 2,434  
– total comprehensive income for the year $ 2,509 $ 2,482  
Additional proportion of ownership interests and voting rights held by non-controlling interest 0.07% 0.06%