Earnings Per Share (EPS) (Tables)

9 Months Ended

Sep. 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 nine months ended September 30:

	Three months ended		Nine months ended
In millions	2016	2015	2016	2015
Weighted-average number of basic shares	259.2	265.6	259.0	265.8
Shares issuable under incentive stock plans	2.6	2.7	2.4	2.9
Weighted-average number of diluted shares	261.8	268.3	261.4	268.7
Anti-dilutive shares	1.2	2.3	1.3	1.3