Earnings Per Share (EPS) (Tables)

3 Months Ended

Mar. 31, 2014

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	2014	2013
Weighted-average number of basic shares	278.3	298.9
Shares issuable under incentive stock plans	4.0	3.6
Weighted-average number of diluted shares	282.3	302.5
Anti-dilutive shares	1.2	1.6