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Share Repurchase Program (Tables)
 12 Months Ended
Dec. 31, 2020
Share Repurchase Program [Abstract]  
Share Repurchase Program The table below represents shares repurchased under repurchase programs during 2019 and 2020:

Number of Shares Purchased

Average Price Paid [a]

2020

2019

2020

2019

First quarter [b]

14,305,793 

18,149,450 

$

178.66 

$

165.79 

Second quarter

-

3,732,974 

-

171.24 

Third quarter [c]

4,045,575 

9,529,733 

98.87 

163.30 

Fourth quarter

3,780,743 

3,582,212 

198.07 

167.32 

Total

22,132,111 

34,994,369 

$

167.39 

$

165.85 

Remaining number of shares that may be repurchased under current authority

111,022,970