v3.22.4
Stock-Based Compensation - Stock Option Program (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Number of Options      
Beginning balance (in shares) 34,560 35,401 33,675
Granted (in shares) 3,776 3,612 4,777
Exercised (in shares) (2,101) (4,163) (2,759)
Forfeited (in shares) (729) (290) (292)
Ending balance (in shares) 35,506 34,560 35,401
Options exercisable (in shares) 28,210 26,956 27,537
Weighted Average Exercise Price      
Beginning balance (in dollars per share) $ 163.52 $ 156.23 $ 151.15
Granted (in dollars per share) 162.39 175.04 157.25
Exercised (in dollars per share) 98.91 110.20 93.23
Forfeited (in dollars per share) 176.21 182.63 181.33
Ending balance (in dollars per share) 166.97 163.52 156.23
Options exercisable (in dollars per share) $ 167.42 $ 161.25 $ 149.67
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract]      
Weighted average remaining contractual life for options outstanding (in months) 57 months    
Aggregate intrinsic value for options outstanding $ 28    
Weighted average remaining contractual life for options exercisable (in months) 46 months    
Aggregate intrinsic value for options exercisable $ 28    
Stock Options      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract]      
Expiration of annual grants (in years) 10 years    
Compensation expense yet to be recognized $ 45    
Expense recognition period (in months) 21 months    
Total intrinsic value of stock options exercised $ 116 $ 325 $ 206
Cash received from options exercised 205 457 256
Tax benefit realized from exercise of stock options $ 24 $ 69 $ 44
Share- based compensation assumptions      
Exercise price (in dollars per share) $ 162.41 $ 175.04 $ 157.24
Risk-free interest rate (as a percent) 1.90% 0.80% 1.50%
Dividend yield (as a percent) 2.90% 2.80% 2.70%
Expected volatility (as a percent) 21.80% 22.60% 19.70%
Expected life (months) 83 months 83 months 78 months
Black-Scholes fair value (in dollars per share) $ 25.34 $ 25.33 $ 21.58
Stock Options | Minimum      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract]      
Vesting period (in years) 1 year    
Stock Options | Maximum      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract]      
Vesting period (in years) 3 years