Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2015

Accounting Policies [Abstract]

Schedule of Weighted Average Number of Shares

The following table shows the calculation of diluted shares (in millions):

	Three Months Ended   March 31,
	2015	2014
Shares used in computation of basic earnings per share	465	460
Total dilutive effect of outstanding stock awards	—	8
Shares used in computation of diluted earnings per share	465	468