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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, 2024
Dec. 31, 2023
Dec. 31, 2022
Stock Option      
Expected term in years 6 years 6 months 6 years 4 months 24 days 6 years 10 months 24 days
Volatility 33.00% 32.50% 31.30%
Risk-free interest rate based on zero coupon U.S. treasury note 3.98% 3.43% 1.79%
Dividend yield 4.10% 3.50% 5.00%
Weighted-average fair value per option granted (in dollars per share) $ 38.00 $ 45.82 $ 23.56
Shares      
Outstanding at January 1 (in shares) 24,375    
Granted (in shares) 2,730    
Exercised (in shares) (3,504)    
Forfeited (in shares) (433)    
Outstanding at December 31 (in shares) 23,168 24,375  
Exercisable at December 31 (in shares) 18,372    
Weighted-Average Exercise Price      
Outstanding at January 1 (in dollars per share) $ 118.72    
Granted (in dollars per share) 152.35    
Exercised (in dollars per share) 101.60    
Forfeited (in dollars per share) 260.55    
Outstanding at December 31 (in dollars per share) 122.62 $ 118.72  
Exercisable at December 31 (in dollars per share) $ 114.15    
Average Remaining Contractual Term, Outstanding at December 31 (in years) 5 years 21 days    
Average Remaining Contractual Term, Exercisable at December 31 (in years) 4 years 1 month 24 days    
Aggregate Intrinsic Value, Outstanding at December 31 $ 687    
Aggregate Intrinsic Value, Exercisable at December 31 $ 675