Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2016

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,
	2016	2015	2016	2015
Shares used in computation of basic earnings per share	474	468	473	467
Total dilutive effect of outstanding stock awards	11	10	10	9
Shares used in computation of diluted earnings per share	485	478	483	476