v3.25.4
Interest in associates and joint ventures - Selected income statement information of BoCom (Details) - USD ($)
$ in Millions
 9 Months Ended 12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of associates [line items]          
Net interest income     $ 34,794 $ 32,733 $ 35,796
Net fee and commission income     13,343 12,301 11,845
Change in expected credit losses and other credit impairment charges     (3,850) (3,414) (3,447)
Tax expense     (6,776) (7,310) (5,789)
Profit for the year     23,131 24,999 24,559
Other comprehensive income     10,541 1,940 4,983
Total comprehensive income/(expense) for the year     33,672 26,939 29,542
Dividends received from BoCom     $ 2,700 $ 2,800 $ 1,900
Bank Of Communications Co., Limited          
Disclosure of associates [line items]          
Net interest income $ 23,886 $ 23,180      
Net fee and commission income 5,142 5,315      
Change in expected credit losses and other credit impairment charges (7,056) (7,410)      
Depreciation and amortisation (2,772) (2,589)      
Tax expense (1,402) (835)      
Profit for the year 13,319 12,922      
Other comprehensive income 292 1,361      
Total comprehensive income/(expense) for the year 13,611 14,283      
Dividends received from BoCom $ 744 $ 745