v3.25.2
Share capital - Summary of Issued and Fully Paid Ordinary Shares (Details)
$ in Millions
 1 Months Ended 11 Months Ended 12 Months Ended
Feb. 03, 2022
USD ($)
shares
Jan. 29, 2022
USD ($)
shares
Jan. 26, 2022
USD ($)
shares
Dec. 31, 2022
USD ($)
shares
Dec. 31, 2023
USD ($)
shares
Dec. 31, 2022
USD ($)
shares
Dec. 31, 2022
€ / shares
shares
Dec. 31, 2021
USD ($)
shares
Disclosure of classes of share capital [line items]                
Repurchases of shares         $ (14,571) [1] $ (18,547)   $ (3,513)
Deferred share (in gbp per share) | € / shares             € 1  
Share capital                
Disclosure of classes of share capital [line items]                
Beginning balance (in shares) | shares         7,003,503,393      
Repurchases of shares (in shares) | shares (507,742)     (646,014,770) (479,394,344)      
Assimilation of ordinary A and B shares into ordinary shares (in shares) | shares   7,650,025,905            
Ending balance (in shares) | shares       7,003,503,393 6,524,109,049 7,003,503,393    
Beginning balance     $ 641   $ 584 $ 641    
Repurchases of shares $ 0   $ (3) $ (54) (40) [1] (57)   (10)
Assimilation of ordinary A and B shares into ordinary shares   $ 0            
Ending balance       584 544 584   $ 641
Share capital | Ordinary shares                
Disclosure of classes of share capital [line items]                
Beginning balance         584      
Repurchases of shares $ 0     (54) (40)      
Assimilation of ordinary A and B shares into ordinary shares   $ 638            
Ending balance       $ 584 $ 544 $ 584    
Class A Shares | Share capital                
Disclosure of classes of share capital [line items]                
Beginning balance (in shares) | shares     4,101,239,499   4,101,239,499    
Repurchases of shares (in shares) | shares     0          
Assimilation of ordinary A and B shares into ordinary shares (in shares) | shares   (4,101,239,499)            
Ending balance (in shares) | shares         4,101,239,499
Beginning balance     $ 345   $ 345    
Repurchases of shares              
Assimilation of ordinary A and B shares into ordinary shares   $ (345)            
Ending balance           $ 345
Class B Shares | Share capital                
Disclosure of classes of share capital [line items]                
Beginning balance (in shares) | shares     3,582,892,954   3,582,892,954    
Repurchases of shares (in shares) | shares     (34,106,548)          
Assimilation of ordinary A and B shares into ordinary shares (in shares) | shares   (3,548,786,406)            
Ending balance (in shares) | shares         3,582,892,954
Beginning balance     $ 296   $ 296    
Repurchases of shares     $ (3)          
Assimilation of ordinary A and B shares into ordinary shares   $ (293)            
Ending balance           $ 296
Deferred shares | Share capital                
Disclosure of classes of share capital [line items]                
Issued and fully paid ordinary shares (in shares) | shares       50,000   50,000 50,000  
[1] Includes shares committed to repurchase under irrevocable contracts and repurchases subject to settlement at the end of the year. (See Note 26)