v3.25.4
Related party transactions - Transactions and balances during the year with subsidiaries (Details)
$ in Millions
Dec. 31, 2025
USD ($)
employee
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Assets      
Derivatives $ 237,740 $ 268,637  
Loans and advances to HSBC undertakings 108,462 102,039  
Prepayments, accrued income and other assets 184,794 152,740  
Investments in subsidiaries 157,700 152,300  
Total assets 3,233,034 3,017,048 $ 3,038,677
Liabilities      
Derivatives 237,854 264,448  
Accruals, deferred income and other liabilities 142,123 130,340  
Subordinated liabilities 28,406 25,958  
Total liabilities 3,027,368 2,824,775  
HSBC Holdings      
Assets      
Cash and balances with HSBC undertakings 5,079 2,548 $ 7,029
Financial assets with HSBC undertakings designated and otherwise mandatorily measured at fair value 67,217 61,286  
Derivatives 1,942 3,054  
Loans and advances to HSBC undertakings 40,500 37,677  
Prepayments, accrued income and other assets 3,583 4,353  
Investments in subsidiaries 157,728 152,337  
Total assets 293,020 274,257  
Liabilities      
Amounts owed to HSBC undertakings 89 231  
Derivatives 3,451 5,340  
Accruals, deferred income and other liabilities 2,286 3,097  
Subordinated liabilities 26,114 23,548  
Total liabilities $ 153,871 138,118  
Member of defined benefit plan, number of employees | employee 1    
Total for all subsidiaries      
Assets, highest amount during the year      
Cash and balances with HSBC undertakings $ 7,613 9,342  
Financial assets with HSBC undertakings designated and otherwise mandatorily measured at fair value 70,015 66,030  
Derivatives 3,102 3,391  
Loans and advances to HSBC undertakings 40,500 37,677  
Prepayments, accrued income and other assets 6,126 7,108  
Investments in subsidiaries 157,728 160,805  
Total related party assets at 31 Dec 285,084 284,353  
Assets      
Cash and balances with HSBC undertakings 5,079 2,548  
Financial assets with HSBC undertakings designated and otherwise mandatorily measured at fair value 67,217 61,286  
Derivatives 1,942 3,054  
Loans and advances to HSBC undertakings 40,500 37,677  
Prepayments, accrued income and other assets 3,416 4,216  
Investments in subsidiaries 157,728 152,337  
Total assets 275,882 261,118  
Liabilities, highest amount during the year      
Amounts owed to HSBC undertakings 192 231  
Derivatives 5,412 7,944  
Accruals, deferred income and other liabilities 2,184 399  
Subordinated liabilities 0 1,202  
Total related party liabilities at 31 Dec 7,788 9,776  
Liabilities      
Amounts owed to HSBC undertakings 89 231  
Derivatives 3,451 5,340  
Accruals, deferred income and other liabilities 53 194  
Subordinated liabilities 0 0  
Total liabilities 3,593 5,765  
Guarantees and commitments, highest amount during the year 7,318 7,440  
Guarantees and commitments $ 6,983 $ 7,327