Earnings Per Share (EPS) (Tables)

3 Months Ended

Mar. 31, 2019

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	2019		2018
Weighted-average number of basic shares	242.5		250.4
Shares issuable under incentive stock plans	2.7		2.6
Weighted-average number of diluted shares	245.2		253.0
Anti-dilutive shares	1.4		1.7
Dividends declared per ordinary share	$	0.53	$	0.45