v3.25.4
Called up share capital and other equity instruments - HSBC's additional tier 1 capital - contingent convertible securities in issue which are accounted for in equity (Details)
€ in Millions, £ in Millions, $ in Millions, $ in Millions
Dec. 31, 2025
USD ($)
Dec. 31, 2025
SGD ($)
Dec. 31, 2025
EUR (€)
Dec. 31, 2025
GBP (£)
Dec. 31, 2024
USD ($)
Disclosure Of Other Equity [Line Items]          
Other equity instruments $ 20,716       $ 19,070
Contingent convertible securities          
Disclosure Of Other Equity [Line Items]          
Other equity instruments 20,635       19,024
$2,250m issued at 6.375% | Contingent convertible securities          
Disclosure Of Other Equity [Line Items]          
Original nominal amount (LCY) $ 2,450        
Other equity instruments interest rate 6.375% 6.375% 6.375% 6.375%  
Other equity instruments $ 0       2,450
$3,000m issued at 6.000% | Contingent convertible securities          
Disclosure Of Other Equity [Line Items]          
Original nominal amount (LCY) $ 3,000        
Other equity instruments interest rate 6.00% 6.00% 6.00% 6.00%  
Other equity instruments $ 3,000       3,000
€1,250m issued at 4.750% | Contingent convertible securities          
Disclosure Of Other Equity [Line Items]          
Original nominal amount (LCY) | €     € 1,250    
Other equity instruments interest rate 4.75% 4.75% 4.75% 4.75%  
Other equity instruments $ 1,421       1,422
$1,800m issued at 6.500% | Contingent convertible securities          
Disclosure Of Other Equity [Line Items]          
Original nominal amount (LCY) $ 1,800        
Other equity instruments interest rate 6.50% 6.50% 6.50% 6.50%  
Other equity instruments $ 1,800       1,800
£1,000m issued at 5.875% | Contingent convertible securities          
Disclosure Of Other Equity [Line Items]          
Original nominal amount (LCY) | £       £ 1,000  
Other equity instruments interest rate 5.875% 5.875% 5.875% 5.875%  
Other equity instruments $ 1,301       1,301
$1,500m issued at 4.600% | Contingent convertible securities          
Disclosure Of Other Equity [Line Items]          
Original nominal amount (LCY) $ 1,500        
Other equity instruments interest rate 4.60% 4.60% 4.60% 4.60%  
Other equity instruments $ 1,500       1,500
$1,000m issued at 4.000% | Contingent convertible securities          
Disclosure Of Other Equity [Line Items]          
Original nominal amount (LCY) $ 1,000        
Other equity instruments interest rate 4.00% 4.00% 4.00% 4.00%  
Other equity instruments $ 1,000       1,000
$1,000m issued at 4.700% | Contingent convertible securities          
Disclosure Of Other Equity [Line Items]          
Original nominal amount (LCY) $ 1,000        
Other equity instruments interest rate 4.70% 4.70% 4.70% 4.70%  
Other equity instruments $ 1,000       1,000
$2,000m issued at 8.000% | Contingent convertible securities          
Disclosure Of Other Equity [Line Items]          
Original nominal amount (LCY) $ 2,000        
Other equity instruments interest rate 8.00% 8.00% 8.00% 8.00%  
Other equity instruments $ 1,980       1,980
SGD 1,500m issued at 5.250% | Contingent convertible securities          
Disclosure Of Other Equity [Line Items]          
Original nominal amount (LCY)   $ 1,500      
Other equity instruments interest rate 5.25% 5.25% 5.25% 5.25%  
Other equity instruments $ 1,096       1,096
$1,350m issued at 6.875% | Contingent convertible securities          
Disclosure Of Other Equity [Line Items]          
Original nominal amount (LCY) $ 1,350        
Other equity instruments interest rate 6.875% 6.875% 6.875% 6.875%  
Other equity instruments $ 1,337       1,337
$1,150m issued at 6.950% | Contingent convertible securities          
Disclosure Of Other Equity [Line Items]          
Original nominal amount (LCY) $ 1,150        
Other equity instruments interest rate 6.95% 6.95% 6.95% 6.95%  
Other equity instruments $ 1,139       1,138
$1,500m issued at 6.950% | Contingent convertible securities          
Disclosure Of Other Equity [Line Items]          
Original nominal amount (LCY) $ 1,500        
Other equity instruments interest rate 6.95% 6.95% 6.95% 6.95%  
Other equity instruments $ 1,485       0
SGD 800m issued at 5.000% | Contingent convertible securities          
Disclosure Of Other Equity [Line Items]          
Original nominal amount (LCY)   $ 800      
Other equity instruments interest rate 5.00% 5.00% 5.00% 5.00%  
Other equity instruments $ 596       0
$2,000m issued at 7.050% | Contingent convertible securities          
Disclosure Of Other Equity [Line Items]          
Original nominal amount (LCY) $ 2,000        
Other equity instruments interest rate 7.05% 7.05% 7.05% 7.05%  
Other equity instruments $ 1,980       $ 0