v3.26.1
Earnings per share and shareholders’ equity - Narrative (Details)
$ / shares in Units, $ in Billions
 3 Months Ended
Feb. 17, 2026
USD ($)
Jun. 30, 2026
USD ($)
installment
$ / shares
shares
Dec. 31, 2025
shares
Jun. 23, 2025
shares
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Share repurchase program, authorized amount | $ $ 1.0      
Share repurchase program, period in force 12 months      
Share repurchase program, authorized (in shares) | shares   18,800,000    
Share price (in dollars per share)   $ 53.30    
Share repurchase program, remaining authorized, amount | $   $ 0.8    
Share repurchase program, remaining authorized (in shares) | shares   15,100,000    
Treasury stock (in shares) | shares   17,095,892 13,792,988 13,793,444
Dividends declared, number of installments | installment   4    
Dividends paid (in dollars per share)   $ 0.11    
S 2026 A Dividends        
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Dividends declared (in dollars per share)   0.44    
O 2026 A Dividends        
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Dividends declared (in dollars per share)   $ 0.44