Earnings Per Share (EPS) (Tables)

9 Months Ended

Sep. 30, 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 and nine months ended September 30:

	Three months ended				Nine months ended
In millions, except per share amounts	2020		2019		2020		2019
Weighted-average number of basic shares	240.4		241.7		240.0		242.1
Shares issuable under incentive stock plans	3.3		2.9		2.7		2.7
Weighted-average number of diluted shares	243.7		244.6		242.7		244.8
Anti-dilutive shares	0.6		—		0.8		0.7
Dividends declared per ordinary share	$	—	$	—	$	1.59	$	1.59