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Share-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2022
Share-Based Payment Arrangement [Abstract]  
Schedule of assumptions used to determine fair value of stock options granted The fair values of stock options granted were estimated on the date of grant using a binomial option-pricing model with the following assumptions:
20212020
Expected life (in years)6.56.4
Average risk-free interest rate0.6 %1.8 %
Expected volatility29.3 %28.3 %
Expected dividend yield0 %0 %
Summary of stock option activity A summary of stock option activity is as follows:
Shares
(In thousands)		Weighted-
Average
Exercise
Price		Weighted-
Average
Remaining
Contractual
Term (Years)		Aggregate
Intrinsic
Value
(In millions)
Stock options outstanding - December 31, 2021
10,229 $56.36 
Granted— — 
Forfeited(204)111.39 
Exercised(3,689)42.06 
Stock options outstanding - December 31, 20226,336 $62.91 3.92$256 
Stock options exercisable - December 31, 20225,696 $57.36 3.52$256 
Summary of restricted stock and performance activity A summary of restricted stock unit, restricted stock award and performance share unit activity is as follows:
Restricted Stock Units and AwardsPerformance Share Units
Shares
(In thousands)		Weighted-
Average
Grant Date
Fair Value		Shares
(In thousands)		Weighted-
Average
Grant Date
Fair Value
Units and awards - December 31, 20215,074 $101.09 1,392 $96.32 
Granted3,473 93.54 3,050 100.78 
Forfeited(759)100.21 (122)97.00 
Vested(2,258)99.70 (1,077)103.13 
Units and awards - December 31, 20225,530 $96.88 3,243 $100.93 
Schedule of additional information related to stock option and restricted stock unit activity The table below presents additional information related to stock option and restricted stock unit activity:
(In millions)202220212020
Total intrinsic value of stock options exercised$226 $339 $194 
Fair value of restricted stock units vested335 332 454 
Income tax benefit from stock options exercised and restricted stock units vested
109 142 156 
Cash received from stock options exercised105 91 83