v3.26.1
Dividends, earnings per share and share repurchase program (Details)
shares in Millions, $ in Millions
1 Months Ended 3 Months Ended 6 Months Ended 13 Months Ended
May 05, 2026
USD ($)
May 31, 2026
USD ($)
May 31, 2026
SFr / shares
May 31, 2025
USD ($)
May 31, 2025
SFr / shares
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2025
shares
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2025
USD ($)
shares
Jan. 20, 2026
USD ($)
shares
May 05, 2026
SFr / shares
Earnings per share [abstract]                      
Dividends paid (in CHF per share) | SFr / shares     SFr 0.28   SFr 0.28            
Dividends paid   $ 174   $ 166              
Number of shares outstanding (in shares) | shares           483.4   483.4      
Share Repurchase Program [Line Items]                      
Number of shares issued for vesting under the equity incentive programs (in shares) | shares               1.3      
Weighted average number of shares outstanding - basic (in shares) | shares           486.7 495.2 486.9 495.2    
Weighted average number of shares outstanding - diluted (in shares) | shares           488.7 497.9 489.4 497.9    
Potentially dilutive shares (in shares) | shares           2.0 2.7 2.5 2.7    
Acquisition of treasury shares               $ 364 $ 121    
Share repurchase program, authorized amount $ 1,500                    
Nominal value (in CHF per share) | SFr / shares                     SFr 0.04
Share repurchase program, term 3 years                    
Payments for acquisition of treasury shares               353 $ 116    
Share repurchase liability, current           $ 17   $ 17      
2025 Repurchase Program                      
Share Repurchase Program [Line Items]                      
Repurchase of common shares (in shares) | shares                   9.3  
Acquisition of treasury shares                   $ 750  
Share repurchase programs                      
Share Repurchase Program [Line Items]                      
Repurchase of common shares (in shares) | shares               5.3      
Acquisition of treasury shares               $ 364      
Payments for acquisition of treasury shares               $ 353      
Share repurchase programs, excluding initial share repurchase program                      
Share Repurchase Program [Line Items]                      
Repurchase of common shares (in shares) | shares               4.4      
Acquisition of treasury shares               $ 295      
Payments for acquisition of treasury shares               $ 278