v3.25.4
Financial Investments - Carrying amount of financial investments (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure of financial assets [line items]    
Financial assets $ 3,117,161 $ 2,923,319
Financial investments - measured at fair value through other comprehensive income    
Disclosure of financial assets [line items]    
Financial assets 385,122 339,193
Financial investments - measured at fair value through other comprehensive income | Treasury and other eligible bills    
Disclosure of financial assets [line items]    
Financial assets 105,075 112,705
Financial investments - measured at fair value through other comprehensive income | Debt securities    
Disclosure of financial assets [line items]    
Financial assets 277,867 224,496
Financial investments - measured at fair value through other comprehensive income | Equity securities    
Disclosure of financial assets [line items]    
Financial assets 1,755 1,569
Financial investments - measured at fair value through other comprehensive income | Other instruments    
Disclosure of financial assets [line items]    
Financial assets 425 423
Debt instruments measured at amortised cost    
Disclosure of financial assets [line items]    
Financial assets 182,089 153,973
Debt instruments measured at amortised cost | Treasury and other eligible bills    
Disclosure of financial assets [line items]    
Financial assets 23,445 22,148
Debt instruments measured at amortised cost | Debt securities    
Disclosure of financial assets [line items]    
Financial assets 158,644 131,825
Financial investments    
Disclosure of financial assets [line items]    
Financial assets $ 567,211 $ 493,166