Earnings Per Share (EPS) (Tables)

12 Months Ended

Dec. 31, 2014

Earnings Per Share [Abstract]

Weighted-Average Number of Ordinary Shares Outstanding for Basic and Diluted Earnings Per Share Calculations

The following table summarizes the weighted-average number of ordinary shares outstanding for basic and diluted earnings per share calculations:

In millions	2014	2013	2012
Weighted-average number of basic shares outstanding	270.5	294.1	303.9
Shares issuable under incentive stock plans	3.8	4.2	3.7
Exchangeable Senior Notes	—	—	3.0
Weighted-average number of diluted shares outstanding	274.3	298.3	310.6
Anti-dilutive shares	1.1	19.1	5.2