Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2016

Schedule of Weighted Average Shares Outstanding Used to Compute Earnings Per Common Share

The weighted average number of shares outstanding used to compute earnings per common share were as follows (in millions):

	2016		2015		2014
Weighted average common shares outstanding for basic computations		299.3		310.3		316.8
Weighted average dilutive effect of equity awards		3.8		4.4		5.6
Weighted average common shares outstanding for diluted computations		303.1		314.7		322.4