v3.25.4
Structured entities - Nature and risks associated with interests in unconsolidated structured entities (Details)
$ in Millions
Dec. 31, 2025
USD ($)
entity
Dec. 31, 2024
USD ($)
entity
Dec. 31, 2023
USD ($)
Disclosure of unconsolidated structured entities [line items]      
Trading assets $ 366,153 $ 314,842  
– financial assets designated and otherwise mandatorily measured at fair value through profit or loss 133,063 115,769  
Loans and advances to HSBC undertakings 108,462 102,039  
– loans and advances to customers 988,399 930,658 $ 938,535
– financial investments 34,917 16,841  
– assets held for sale 11,115 27,234  
– other liabilities $ 21,112 $ 19,052  
Total      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 3,380 3,409,000,000  
Total assets in relation to HSBC’s interests in the unconsolidated structured entities $ 46,400 $ 45,300  
Trading assets 200 100  
– financial assets designated and otherwise mandatorily measured at fair value through profit or loss 27,400 30,000  
– loans and advances to customers 10,900 7,600  
– financial investments 400 600  
– assets held for sale 6,200 6,100  
– other assets 1,300 900  
Total liabilities in relation to HSBC’s interests in the unconsolidated structured entities 700 400  
– other liabilities 700 400  
Other off-balance sheet commitments 8,100 10,400  
HSBC's maximum exposure $ 53,800 $ 55,300  
Total | 0–500      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 1,649 1,772,000,000  
Total | 500–2,000      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 984 990,000,000  
Total | 2,000–5,000      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 439 379,000,000  
Total | 5,000–25,000      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 261 233,000,000  
Total | 25,000+      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 47 35,000,000  
Securitisations      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 209 169,000,000  
Total assets in relation to HSBC’s interests in the unconsolidated structured entities $ 9,400 $ 5,400  
Trading assets 0 0  
– financial assets designated and otherwise mandatorily measured at fair value through profit or loss 0 0  
– loans and advances to customers 9,400 5,400  
– financial investments 0 0  
– assets held for sale 0 0  
– other assets 0 0  
Total liabilities in relation to HSBC’s interests in the unconsolidated structured entities 0 0  
– other liabilities 0 0  
Other off-balance sheet commitments 0 0  
HSBC's maximum exposure $ 9,400 $ 5,400  
Securitisations | 0–500      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 207 167,000,000  
Securitisations | 500–2,000      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 2 2,000,000  
Securitisations | 2,000–5,000      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 0 0  
Securitisations | 5,000–25,000      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 0 0  
Securitisations | 25,000+      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 0 0  
HSBC managed funds      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 459 472,000,000  
Total assets in relation to HSBC’s interests in the unconsolidated structured entities $ 12,400 $ 12,100  
Trading assets 200 100  
– financial assets designated and otherwise mandatorily measured at fair value through profit or loss 7,900 7,800  
– loans and advances to customers 0 0  
– financial investments 0 200  
– assets held for sale 4,300 4,000  
– other assets 0 0  
Total liabilities in relation to HSBC’s interests in the unconsolidated structured entities 0 0  
– other liabilities 0 0  
Other off-balance sheet commitments 300 1,000  
HSBC's maximum exposure $ 12,700 $ 13,100  
HSBC managed funds | 0–500      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 323 344,000,000  
HSBC managed funds | 500–2,000      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 71 75,000,000  
HSBC managed funds | 2,000–5,000      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 35 30,000,000  
HSBC managed funds | 5,000–25,000      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 24 21,000,000  
HSBC managed funds | 25,000+      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 6 2,000,000  
Non-HSBC managed funds      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 2,653 2,719,000,000  
Total assets in relation to HSBC’s interests in the unconsolidated structured entities $ 21,800 $ 25,400  
Trading assets 0 0  
– financial assets designated and otherwise mandatorily measured at fair value through profit or loss 19,500 22,200  
– loans and advances to customers 0 700  
– financial investments 400 400  
– assets held for sale 1,900 2,100  
– other assets 0 0  
Total liabilities in relation to HSBC’s interests in the unconsolidated structured entities 0 0  
– other liabilities 0 0  
Other off-balance sheet commitments 6,500 8,100  
HSBC's maximum exposure $ 28,300 $ 33,500  
Non-HSBC managed funds | 0–500      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 1,062 1,215,000,000  
Non-HSBC managed funds | 500–2,000      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 910 911,000,000  
Non-HSBC managed funds | 2,000–5,000      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 403 348,000,000  
Non-HSBC managed funds | 5,000–25,000      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 237 212,000,000  
Non-HSBC managed funds | 25,000+      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 41 33,000,000  
Other      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 59 49,000,000  
Total assets in relation to HSBC’s interests in the unconsolidated structured entities $ 2,800 $ 2,400  
Trading assets 0 0  
– financial assets designated and otherwise mandatorily measured at fair value through profit or loss 0 0  
– loans and advances to customers 1,500 1,500  
– financial investments 0 0  
– assets held for sale 0 0  
– other assets 1,300 900  
Total liabilities in relation to HSBC’s interests in the unconsolidated structured entities 700 400  
– other liabilities 700 400  
Other off-balance sheet commitments 1,300 1,300  
HSBC's maximum exposure $ 3,400 $ 3,300  
Other | 0–500      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 57 46,000,000  
Other | 500–2,000      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 1 2,000,000  
Other | 2,000–5,000      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 1 1,000,000  
Other | 5,000–25,000      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 0 0  
Other | 25,000+      
Disclosure of unconsolidated structured entities [line items]      
Number of entities | entity 0 0