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Earnings Per Share (EPS) (Tables)
 3 Months Ended
Mar. 31, 2020
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share Basic and Diluted Shares The following table summarizes the weighted-average number of ordinary shares outstanding for basic and diluted earnings per share calculations for the three months ended March 31:
 
Three months ended
In millions, except per share amounts
2020
 
2019
Weighted-average number of basic shares
239.5

 
242.5

Shares issuable under incentive stock plans
2.8

 
2.7

Weighted-average number of diluted shares
242.3

 
245.2

Anti-dilutive shares
0.5

 
1.4

 
 
 
 
Dividends declared per ordinary share
$
0.53

 
$
0.53