v3.26.1
Shareholders' Equity - Shares Repurchased and Reissued (Details) - USD ($)
shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Apr. 22, 2025
Equity, Class of Treasury Stock [Line Items]          
Repurchase of common shares $ 800 $ 592 $ 1,686 $ 1,336  
Stock repurchase program, authorized amount         $ 4,500
Remaining balance under stock repurchase program $ 1,100   $ 1,100    
Reissuance of treasury stock (in shares)     0.4 0.6  
Common stock repurchases          
Equity, Class of Treasury Stock [Line Items]          
Repurchase of common shares (in shares)     3.3 2.3  
Repurchase of common shares     $ 1,600 $ 1,200  
Restricted stock units repurchases          
Equity, Class of Treasury Stock [Line Items]          
Repurchase of common shares (in shares)     0.2 0.2  
Repurchase of common shares     $ 84 $ 123  
Option repurchases          
Equity, Class of Treasury Stock [Line Items]          
Repurchase of common shares (in shares)     0.1 0.1  
Repurchase of common shares     $ 56 $ 47