Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2015

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):

	2015		2014		2013
Weighted average common shares outstanding for basic computations		310.3		316.8		320.9
Weighted average dilutive effect of equity awards		4.4		5.6		5.6
Weighted average common shares outstanding for diluted computations		314.7		322.4		326.5