v3.25.4
Stock Options and Other Share-Based Compensation - Summary of Valuation Assumptions and Activity (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Stock Option      
Expected term in years 6 years 6 months 6 years 6 months 6 years 4 months 24 days
Volatility 33.00% 33.00% 32.50%
Risk-free interest rate based on zero coupon U.S. treasury note 4.34% 3.98% 3.43%
Dividend yield 4.50% 4.10% 3.50%
Weighted-average fair value per option granted (in dollars per share) $ 37.60 $ 38.00 $ 45.82
Shares      
Outstanding at January 1 (in shares) 23,168    
Granted (in shares) 3,879    
Exercised (in shares) (3,801)    
Forfeited (in shares) (1,082)    
Outstanding at December 31 (in shares) 22,164 23,168  
Exercisable at December 31 (in shares) 18,050    
Weighted-Average Exercise Price      
Outstanding at January 1 (in dollars per share) $ 122.62    
Granted (in dollars per share) 130.05    
Exercised (in dollars per share) 98.52    
Forfeited (in dollars per share) 209.13    
Outstanding at December 31 (in dollars per share) 123.78 $ 122.62  
Exercisable at December 31 (in dollars per share) $ 116.44    
Average Remaining Contractual Term, Outstanding at December 31 (in years) 5 years 1 month 6 days    
Average Remaining Contractual Term, Exercisable at December 31 (in years) 4 years 3 months 25 days    
Aggregate Intrinsic Value, Outstanding at December 31 $ 704    
Aggregate Intrinsic Value, Exercisable at December 31 $ 703