Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2019

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The effect of dilutive securities on the weighted average common shares outstanding included in the calculation of earnings per diluted common share for the three months ended March 31, 2019 and 2018 were as follows:



	Three Months Ended March 31
(number of shares in millions)	2019		2018
Weighted average common shares outstanding	236.7		249.8
Effect of dilutive securities:
Stock options	0.7		0.9
Other stock compensation plans	0.6		0.7
Potentially dilutive common shares	1.3		1.6
Adjusted weighted average common shares outstanding	238.0		251.4

Dividends per common share		$0.48		$0.45