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Share-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions The following weighted-average assumptions were used to value the grants in 2021, 2020 and 2019: 
Year Ended December 31,202120202019
Dividend yield1.7 %2.2 %2.0 %
Volatility18.4 %15.8 %14.3 %
Risk-free interest rate1.10 %0.60 %2.38 %
Expected term years666
Schedule of Share-based Compensation, Stock Options, Activity
The following table summarizes option activity under the plans as of December 31, 2021 and changes during the period then ended (averages are calculated on a weighted basis; life in years; intrinsic value expressed in millions): 
ActivityNumber  of
Options
(000’s)		Average
Exercise
Price		Average
Remaining
Life		Aggregate
Intrinsic
Value
Outstanding at January 1, 20218,067 $136.05 
Granted831 253.68 
Exercised(1,672)121.40 
Cancelled or expired(60)207.35 
Outstanding at December 31, 20217,166 $152.56 6.0$1,389 
Exercisable at December 31, 20215,297 $132.84 5.0$1,131 
Performance Based and Restricted Stock Activity
The following table summarizes non-vested performance-based and restricted stock award activity as of December 31, 2021 and changes during the period then ended (shares based on target amounts, averages are calculated on a weighted basis): 
  
Performance-BasedRestricted Stock
Number of
Shares
(000’s)		Average
Grant Date
Fair Value		Number of
Shares
(000’s)		Average
Grant Date
Fair Value
Non-vested at January 1, 2021437 $179.76 688 $148.56 
Granted188 262.56 176 242.60 
Vested— — (213)147.84 
Cancelled and Forfeited(15)221.70 (15)206.65 
Non-vested at December 31, 2021610 $204.39 636 $172.90