v3.25.4
Dividends - Total coupons on capital securities classified as equity (Details) - Other equity interest
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2025
USD ($)
$ / shares
Dec. 31, 2025
USD ($)
€ / shares
Dec. 31, 2025
USD ($)
£ / shares
Dec. 31, 2025
USD ($)
$ / shares
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Disclosure Of Other Equity [Line Items]            
Dividends on other equity instruments $ 1,183       $ 1,062 $ 1,101
$2,250m issued at 6.375%            
Disclosure Of Other Equity [Line Items]            
Notional amount $ 2,250 $ 2,250 $ 2,250 $ 2,250    
Other equity instruments interest rate 6.375% 6.375% 6.375% 6.375%    
Dividends on other equity instruments (in dollars per share) | $ / shares $ 63.750          
Dividends on other equity instruments $ 0       122 143
$2,450m issued at 6.375%            
Disclosure Of Other Equity [Line Items]            
Notional amount $ 2,450 $ 2,450 $ 2,450 $ 2,450    
Other equity instruments interest rate 6.375% 6.375% 6.375% 6.375%    
Dividends on other equity instruments (in dollars per share) | $ / shares $ 63.750          
Dividends on other equity instruments $ 55       156 156
$3,000m issued at 6.000%            
Disclosure Of Other Equity [Line Items]            
Notional amount $ 3,000 $ 3,000 $ 3,000 $ 3,000    
Other equity instruments interest rate 6.00% 6.00% 6.00% 6.00%    
Dividends on other equity instruments (in dollars per share) | $ / shares $ 60.000          
Dividends on other equity instruments $ 180       180 180
$2,350m issued at 6.250%            
Disclosure Of Other Equity [Line Items]            
Notional amount $ 2,350 $ 2,350 $ 2,350 $ 2,350    
Other equity instruments interest rate 6.25% 6.25% 6.25% 6.25%    
Dividends on other equity instruments (in dollars per share) | $ / shares $ 62.500          
Dividends on other equity instruments $ 0       0 52
$1,800m issued at 6.500%            
Disclosure Of Other Equity [Line Items]            
Notional amount $ 1,800 $ 1,800 $ 1,800 $ 1,800    
Other equity instruments interest rate 6.50% 6.50% 6.50% 6.50%    
Dividends on other equity instruments (in dollars per share) | $ / shares $ 65.000          
Dividends on other equity instruments $ 117       117 117
$1,500m issued at 4.600%            
Disclosure Of Other Equity [Line Items]            
Notional amount $ 1,500 $ 1,500 $ 1,500 $ 1,500    
Other equity instruments interest rate 4.60% 4.60% 4.60% 4.60%    
Dividends on other equity instruments (in dollars per share) | $ / shares $ 46.000          
Dividends on other equity instruments $ 69       69 69
$1,000m issued at 4.000%            
Disclosure Of Other Equity [Line Items]            
Notional amount $ 1,000 $ 1,000 $ 1,000 $ 1,000    
Other equity instruments interest rate 4.00% 4.00% 4.00% 4.00%    
Dividends on other equity instruments (in dollars per share) | $ / shares $ 40.000          
Dividends on other equity instruments $ 40       40 40
$1,000m issued at 4.700%            
Disclosure Of Other Equity [Line Items]            
Notional amount $ 1,000 $ 1,000 $ 1,000 $ 1,000    
Other equity instruments interest rate 4.70% 4.70% 4.70% 4.70%    
Dividends on other equity instruments (in dollars per share) | $ / shares $ 47.000          
Dividends on other equity instruments $ 47       47 47
$2,000m issued at 8.000%            
Disclosure Of Other Equity [Line Items]            
Notional amount $ 2,000 $ 2,000 $ 2,000 $ 2,000    
Other equity instruments interest rate 8.00% 8.00% 8.00% 8.00%    
Dividends on other equity instruments (in dollars per share) | $ / shares $ 80.000          
Dividends on other equity instruments $ 160       160 80
$1,350m issued at 6.875%            
Disclosure Of Other Equity [Line Items]            
Notional amount $ 1,350 $ 1,350 $ 1,350 $ 1,350    
Other equity instruments interest rate 6.875% 6.875% 6.875% 6.875%    
Dividends on other equity instruments (in dollars per share) | $ / shares $ 68.750          
Dividends on other equity instruments $ 93       0 0
$1,150m issued at 6.950%            
Disclosure Of Other Equity [Line Items]            
Notional amount $ 1,150 $ 1,150 $ 1,150 $ 1,150    
Other equity instruments interest rate 6.95% 6.95% 6.95% 6.95%    
Dividends on other equity instruments (in dollars per share) | $ / shares $ 69.500          
Dividends on other equity instruments $ 80       0 0
$1,500m issued at 6.950%            
Disclosure Of Other Equity [Line Items]            
Notional amount $ 1,500 $ 1,500 $ 1,500 $ 1,500    
Other equity instruments interest rate 6.95% 6.95% 6.95% 6.95%    
Dividends on other equity instruments (in dollars per share) | $ / shares $ 69.500          
Dividends on other equity instruments $ 52       0 0
$2,000m issued at 7.050%            
Disclosure Of Other Equity [Line Items]            
Notional amount $ 2,000 $ 2,000 $ 2,000 $ 2,000    
Other equity instruments interest rate 7.05% 7.05% 7.05% 7.05%    
Dividends on other equity instruments (in dollars per share) | $ / shares $ 70.500          
Dividends on other equity instruments $ 71       0 0
EUR1,000m issued at 6.000%            
Disclosure Of Other Equity [Line Items]            
Notional amount $ 1,000 $ 1,000 $ 1,000 $ 1,000    
Other equity instruments interest rate 6.00% 6.00% 6.00% 6.00%    
Dividends on other equity instruments (in dollars per share) | € / shares   $ 60.000        
Dividends on other equity instruments $ 0       0 56
€1,250m issued at 4.750%            
Disclosure Of Other Equity [Line Items]            
Notional amount $ 1,250 $ 1,250 $ 1,250 $ 1,250    
Other equity instruments interest rate 4.75% 4.75% 4.75% 4.75%    
Dividends on other equity instruments (in dollars per share) | € / shares   $ 47.500        
Dividends on other equity instruments $ 65       65 64
£1,000m issued at 5.875%            
Disclosure Of Other Equity [Line Items]            
Notional amount $ 1,000 $ 1,000 $ 1,000 $ 1,000    
Other equity instruments interest rate 5.875% 5.875% 5.875% 5.875%    
Dividends on other equity instruments (in dollars per share) | £ / shares     $ 58.750      
Dividends on other equity instruments $ 77       77 72
SGD750m issued at 5.000%            
Disclosure Of Other Equity [Line Items]            
Notional amount $ 750 $ 750 $ 750 $ 750    
Other equity instruments interest rate 5.00% 5.00% 5.00% 5.00%    
Dividends on other equity instruments (in dollars per share) | $ / shares       $ 50.000    
Dividends on other equity instruments $ 0       0 25
SGD 1,500m issued at 5.250%            
Disclosure Of Other Equity [Line Items]            
Notional amount $ 1,500 $ 1,500 $ 1,500 $ 1,500    
Other equity instruments interest rate 5.25% 5.25% 5.25% 5.25%    
Dividends on other equity instruments (in dollars per share) | $ / shares       $ 52.500    
Dividends on other equity instruments $ 61       29 0
SGD 800m issued at 5.000%            
Disclosure Of Other Equity [Line Items]            
Notional amount $ 800 $ 800 $ 800 $ 800    
Other equity instruments interest rate 5.00% 5.00% 5.00% 5.00%    
Dividends on other equity instruments (in dollars per share) | $ / shares       $ 50.000    
Dividends on other equity instruments $ 16       $ 0 $ 0