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Share-Based Incentive Compensation (Details) - Restricted Stock - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Feb. 07, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Restricted stock units, deferred stock units and performance share awards [Member]        
Share-based compensation        
Fair value of shares that vested during the year   $ 159 $ 124 $ 127
Restricted stock units, deferred stock units and performance share awards [Member] | Subsequent event [Member]        
Summary of other equity instruments [Roll Forward]        
Other equity instruments, granted, number (in shares) 779,913      
Other equity instruments, granted, weighted average grant-date fair value (in dollars per share) $ 189.01      
Restricted and deferred stock units [Member]        
Summary of other equity instruments [Roll Forward]        
Other equity instruments, nonvested, number, beginning of year (in shares)   1,108,825    
Other equity instruments, granted, number (in shares)   523,727    
Other equity instruments, vested, number (in shares)   (521,660)    
Other equity instruments, forfeited, number (in shares)   (76,470)    
Other equity instruments, nonvested, number, end of year (in shares)   1,034,422 1,108,825  
Other equity instruments, nonvested, weighted average grant-date fair value, beginning of year (in dollars per share)   $ 134.05    
Other equity instruments, granted, weighted average grant-date fair value (in dollars per share)   172.28    
Other equity instruments, vested, weighted average grant-date fair value (in dollars per share)   140.05    
Other equity instruments, forfeited, weighted average grant-date fair value (in dollars per share)   145.52    
Other equity instruments, nonvested, weighted average grant-date fair value, end of year (in dollars per share)   $ 149.53 $ 134.05  
Other equity instruments, nonvested dividend equivalents, number, beginning of year (in shares)   280    
Other equity instruments, nonvested dividend equivalents, number, end of year (in shares)   269 280  
Restricted and deferred stock units [Member] | Subsequent event [Member]        
Summary of other equity instruments [Roll Forward]        
Other equity instruments, granted, number (in shares) 473,693      
Restricted stock units [Member]        
Share-based compensation        
Award vesting period   3 years    
Performance shares [Member]        
Share-based compensation        
Performance period   3 years    
Award vesting period   3 years    
Percentage of performance shares to vest if minimum performance threshold is not met   0.00%    
Summary of other equity instruments [Roll Forward]        
Other equity instruments, nonvested, number, beginning of year (in shares)   930,557    
Other equity instruments, granted, number (in shares)   317,342    
Other equity instruments, vested, number (in shares)   (367,365)    
Other equity instruments, forfeited, number (in shares)   (13,685)    
Other equity instruments, performance-based adjustment, number (in shares)   196,075    
Other equity instruments, nonvested, number, end of year (in shares)   1,062,924 930,557  
Other equity instruments, nonvested, weighted average grant-date fair value, beginning of year (in dollars per share)   $ 136.96    
Other equity instruments, granted, weighted average grant-date fair value (in dollars per share)   172.50    
Other equity instruments, vested, weighted average grant-date fair value (in dollars per share)   132.58    
Other equity instruments, forfeited, weighted average grant-date fair value (in dollars per share)   145.18    
Other equity instruments, performance-based adjustment, weighted average grant-date fair value (in dollars per share)   166.87    
Other equity instruments, nonvested, weighted average grant-date fair value, end of year (in dollars per share)   $ 154.49 $ 136.96  
Other equity instruments, nonvested dividend equivalents, number, beginning of year (in shares)   32,670    
Other equity instruments, nonvested dividend equivalents, number, end of year (in shares)   36,719 32,670  
Performance shares [Member] | Subsequent event [Member]        
Summary of other equity instruments [Roll Forward]        
Other equity instruments, granted, number (in shares) 306,220      
Performance shares [Member] | February 2021, 2022 and 2023 Awards [Member] | Minimum [Member]        
Share-based compensation        
Percentage of performance shares to vest if minimum performance threshold is met or exceeded   50.00%    
Performance shares [Member] | February 2021, 2022 and 2023 Awards [Member] | Maximum [Member]        
Share-based compensation        
Percentage of performance shares to vest if minimum performance threshold is met or exceeded   200.00%