Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2019

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,
	2018	2019	2018	2019
Shares used in computation of basic earnings per share	488	495	486	493
Total dilutive effect of outstanding stock awards	13	9	14	10
Shares used in computation of diluted earnings per share	501	504	500	503