Earnings Per Share (EPS) (Tables)

6 Months Ended

Jun. 30, 2016

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 six months ended June 30:

	Three months ended		Six months ended
In millions	2016	2015	2016	2015
Weighted-average number of basic shares	259.2	266.5	259.3	265.9
Shares issuable under incentive stock plans	2.4	2.9	2.1	3.1
Weighted-average number of diluted shares	261.6	269.4	261.4	269.0
Anti-dilutive shares	1.3	1.1	2.3	1.3