v3.25.4
Report of Directors Financial Review Risk Report - Reconciliation from reported exposure and ECL to sensitised exposure and ECL (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure of financial assets [line items]    
Financial assets $ (3,117,161) $ (2,923,319)
Debt instruments measured at fair value through other comprehensive income | IFRS 9    
Disclosure of financial assets [line items]    
Financial assets (386,370) (353,855)
Debt instruments measured at fair value through other comprehensive income | Debt securities | IFRS 9    
Disclosure of financial assets [line items]    
Financial assets (386,370) (353,855)
Financial investments - measured at amortised cost    
Disclosure of financial assets [line items]    
Financial assets (182,089) (153,973)
Financial investments - measured at amortised cost | Debt securities    
Disclosure of financial assets [line items]    
Financial assets (158,644) (131,825)
Financial investments - measured at amortised cost | Other | IFRS 9    
Disclosure of financial assets [line items]    
Financial assets (890,197) (828,488)
Gross carrying amount    
Disclosure of financial assets [line items]    
Financial assets (2,486,661) (2,350,371)
Gross carrying amount | Exclusions from sensitivity    
Disclosure of financial assets [line items]    
Financial assets (351,480) (329,587)
Gross carrying amount | Performance guarantees    
Disclosure of financial assets [line items]    
Financial assets 102,684 92,722
Gross carrying amount | Other    
Disclosure of financial assets [line items]    
Financial assets (4,022) (6,476)
Gross carrying amount | Other | IFRS 9    
Disclosure of financial assets [line items]    
Financial assets (890,326)  
Gross carrying amount | Financial instruments including loan commitments and financial guarantees    
Disclosure of financial assets [line items]    
Financial assets (1,815,828) (1,678,790)
Gross carrying amount | Financial instruments including loan commitments and financial guarantees | IFRS 9    
Disclosure of financial assets [line items]    
Financial assets (2,706,154) (2,507,370)
Gross carrying amount | Debt instruments measured at fair value through other comprehensive income | IFRS 9    
Disclosure of financial assets [line items]    
Financial assets (386,400) (353,909)
Gross carrying amount | Debt instruments measured at fair value through other comprehensive income | Debt securities    
Disclosure of financial assets [line items]    
Financial assets (383,568) (346,124)
Gross carrying amount | Debt instruments measured at fair value through other comprehensive income | Debt securities | IFRS 9    
Disclosure of financial assets [line items]    
Financial assets (386,400) (353,909)
Gross carrying amount | Financial investments - measured at amortised cost    
Disclosure of financial assets [line items]    
Financial assets (2,706,154) (2,507,370)
Gross carrying amount | Financial investments - measured at amortised cost | Other financial assets at amortised cost not presented as wholesale or personal lending, including held for sale    
Disclosure of financial assets [line items]    
Financial assets 540,083 568,798
Gross carrying amount | Financial investments - measured at amortised cost | Other    
Disclosure of financial assets [line items]    
Financial assets (890,326) (828,580)
Gross carrying amount | Financial investments - measured at amortised cost | Other | IFRS 9    
Disclosure of financial assets [line items]    
Financial assets (890,326) (828,580)
Gross carrying amount | Wholesale    
Disclosure of financial assets [line items]    
Financial assets (2,064,949) (1,958,010)
Gross carrying amount | Wholesale | Exclusions from sensitivity    
Disclosure of financial assets [line items]    
Financial assets (21,336) (20,409)
Gross carrying amount | Wholesale | Performance guarantees    
Disclosure of financial assets [line items]    
Financial assets 102,684 92,722
Gross carrying amount | Wholesale | Other    
Disclosure of financial assets [line items]    
Financial assets (6,757) (5,978)
Gross carrying amount | Wholesale | Financial instruments including loan commitments and financial guarantees    
Disclosure of financial assets [line items]    
Financial assets (1,067,323) (976,883)
Gross carrying amount | Wholesale | Debt instruments measured at fair value through other comprehensive income | Debt securities    
Disclosure of financial assets [line items]    
Financial assets (383,568) (346,124)
Gross carrying amount | Wholesale | Financial investments - measured at amortised cost | Other financial assets at amortised cost not presented as wholesale or personal lending, including held for sale    
Disclosure of financial assets [line items]    
Financial assets 539,467 568,668
Gross carrying amount | Retail Lending    
Disclosure of financial assets [line items]    
Financial assets (421,712) (392,361)
Gross carrying amount | Retail Lending | Exclusions from sensitivity    
Disclosure of financial assets [line items]    
Financial assets (330,144) (309,178)
Gross carrying amount | Retail Lending | Performance guarantees    
Disclosure of financial assets [line items]    
Financial assets 0 0
Gross carrying amount | Retail Lending | Other    
Disclosure of financial assets [line items]    
Financial assets 2,735 (498)
Gross carrying amount | Retail Lending | Other    
Disclosure of financial assets [line items]    
Financial assets (22,258) (21,161)
Gross carrying amount | Retail Lending | Financial instruments including loan commitments and financial guarantees    
Disclosure of financial assets [line items]    
Financial assets (748,505) (701,907)
Gross carrying amount | Retail Lending | Debt instruments measured at fair value through other comprehensive income | Debt securities    
Disclosure of financial assets [line items]    
Financial assets 0 0
Gross carrying amount | Retail Lending | Financial investments - measured at amortised cost | Other financial assets at amortised cost not presented as wholesale or personal lending, including held for sale    
Disclosure of financial assets [line items]    
Financial assets 616 130
Allowance for ECL    
Disclosure of financial assets [line items]    
Financial assets 4,593 4,618
Allowance for ECL | Exclusions from sensitivity    
Disclosure of financial assets [line items]    
Financial assets 6,541 5,543
Allowance for ECL | Performance guarantees    
Disclosure of financial assets [line items]    
Financial assets 269 311
Allowance for ECL | Other    
Disclosure of financial assets [line items]    
Financial assets 341 450
Allowance for ECL | Other | IFRS 9    
Disclosure of financial assets [line items]    
Financial assets 129  
Allowance for ECL | Financial instruments including loan commitments and financial guarantees    
Disclosure of financial assets [line items]    
Financial assets 11,065 10,105
Allowance for ECL | Financial instruments including loan commitments and financial guarantees | IFRS 9    
Disclosure of financial assets [line items]    
Financial assets 11,194 10,197
Allowance for ECL | Debt instruments measured at fair value through other comprehensive income | IFRS 9    
Disclosure of financial assets [line items]    
Financial assets 30 54
Allowance for ECL | Debt instruments measured at fair value through other comprehensive income | Debt securities    
Disclosure of financial assets [line items]    
Financial assets 30 54
Allowance for ECL | Debt instruments measured at fair value through other comprehensive income | Debt securities | IFRS 9    
Disclosure of financial assets [line items]    
Financial assets 30 54
Allowance for ECL | Financial investments - measured at amortised cost    
Disclosure of financial assets [line items]    
Financial assets 11,194 10,197
Allowance for ECL | Financial investments - measured at amortised cost | Other financial assets at amortised cost not presented as wholesale or personal lending, including held for sale    
Disclosure of financial assets [line items]    
Financial assets 111 141
Allowance for ECL | Financial investments - measured at amortised cost | Other    
Disclosure of financial assets [line items]    
Financial assets 129 92
Allowance for ECL | Financial investments - measured at amortised cost | Other | IFRS 9    
Disclosure of financial assets [line items]    
Financial assets 129 92
Allowance for ECL | Wholesale    
Disclosure of financial assets [line items]    
Financial assets 1,905 2,205
Allowance for ECL | Wholesale | Exclusions from sensitivity    
Disclosure of financial assets [line items]    
Financial assets 6,394 5,419
Allowance for ECL | Wholesale | Performance guarantees    
Disclosure of financial assets [line items]    
Financial assets 269 311
Allowance for ECL | Wholesale | Other    
Disclosure of financial assets [line items]    
Financial assets 342 441
Allowance for ECL | Wholesale | Financial instruments including loan commitments and financial guarantees    
Disclosure of financial assets [line items]    
Financial assets 8,240 7,559
Allowance for ECL | Wholesale | Debt instruments measured at fair value through other comprehensive income | Debt securities    
Disclosure of financial assets [line items]    
Financial assets 30 54
Allowance for ECL | Wholesale | Financial investments - measured at amortised cost | Other financial assets at amortised cost not presented as wholesale or personal lending, including held for sale    
Disclosure of financial assets [line items]    
Financial assets 102 141
Allowance for ECL | Retail Lending    
Disclosure of financial assets [line items]    
Financial assets 2,688 2,413
Allowance for ECL | Retail Lending | Exclusions from sensitivity    
Disclosure of financial assets [line items]    
Financial assets 147 124
Allowance for ECL | Retail Lending | Performance guarantees    
Disclosure of financial assets [line items]    
Financial assets 0 0
Allowance for ECL | Retail Lending | Other    
Disclosure of financial assets [line items]    
Financial assets 1 9
Allowance for ECL | Retail Lending | Other    
Disclosure of financial assets [line items]    
Financial assets 938 856
Allowance for ECL | Retail Lending | Financial instruments including loan commitments and financial guarantees    
Disclosure of financial assets [line items]    
Financial assets 2,825 2,546
Allowance for ECL | Retail Lending | Debt instruments measured at fair value through other comprehensive income | Debt securities    
Disclosure of financial assets [line items]    
Financial assets 0 0
Allowance for ECL | Retail Lending | Financial investments - measured at amortised cost | Other financial assets at amortised cost not presented as wholesale or personal lending, including held for sale    
Disclosure of financial assets [line items]    
Financial assets $ 9 $ 0