v3.26.1
Capital Stock - Schedule of Nonvested Restricted Stock Activity Including Restricted Stock Units (Details) - $ / shares
shares in Millions
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Restricted Stock Shares and Units    
Nonvested at beginning of period (in shares) 1.1  
Granted (in shares) 0.9  
Vested (in shares) (0.3)  
Forfeited (in shares) (0.1)  
Nonvested at end of period (in shares) 1.6  
Weighted- Average Grant Date Fair Value per Share    
Nonvested at beginning of period (in dollars per share) $ 437.32  
Granted (in dollars per share) 297.62 $ 395.28
Vested (in dollars per share) 453.08  
Forfeited (in dollars per share) 399.66  
Nonvested at end of period (in dollars per share) $ 355.60