Shares Used in Computing Net Income Per Share (Tables)

9 Months Ended

Sep. 30, 2016

Earnings Per Share [Abstract]

Computation of shares used in calculating basic and diluted net income per common share

The computation of shares used in calculating basic and diluted net income per common share is as follows:

	Three Months Ended September 30,		Nine Months Ended September 30,
(In millions)	2016	2015	2016	2015
Weighted-average common shares outstanding used for the calculation of net income per share – basic	219.2	232.9	221.6	236.0
Common stock equivalents	3.5	4.1	3.6	4.1
Weighted-average common shares outstanding used for the calculation of net income per share – diluted	222.7	237.0	225.2	240.1