v3.25.4
Segmental analysis - Adjusted balance sheet reconciliation (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of operating segments [line items]      
Loans and advances to customers (net) $ 988,399 $ 930,658 $ 938,535
Interests in associates and joint ventures 29,577 28,909 27,344
Total external assets 3,233,034 3,017,048 3,038,677
Customer accounts 1,786,828 1,654,955 1,611,647
Constant currency      
Disclosure of operating segments [line items]      
Loans and advances to customers (net) 988,399 970,778 955,706
Interests in associates and joint ventures 29,577 29,728 27,632
Total external assets 3,233,034 3,139,801 3,095,132
Customer accounts $ 1,786,828 1,719,240 1,641,000
Currency translation      
Disclosure of operating segments [line items]      
Loans and advances to customers (net)   40,120 17,171
Interests in associates and joint ventures   819 288
Total external assets   122,753 56,455
Customer accounts   $ 64,285 $ 29,353