Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2015

Accounting Policies [Abstract]

Calculation of Diluted Shares

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

	Three Months Ended   September 30,		Nine Months Ended   September 30,
	2015	2014	2015	2014
Shares used in computation of basic earnings per share	468	463	467	461
Total dilutive effect of outstanding stock awards	10	—	9	—
Shares used in computation of diluted earnings per share	478	463	476	461