Equity and Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2020

Equity [Abstract]

Weighted Average Number of Common and Common Equivalent Shares Used in Calculation of Basic and Diluted Earnings Per Share

The weighted average number of common and common equivalent shares used in the calculation of basic and diluted earnings per share consisted of the following:

	Three Months Ended March 31,
	2020	2019
	(In millions)
Weighted-average common shares outstanding (used in the calculation of basic earnings per share)	764	774
Potential dilution from stock options and restricted stock and stock units	—	1
Weighted-average common and common equivalent shares (used in the calculation of diluted earnings per share)	764	775
Antidilutive stock options excluded from the calculation of diluted earnings per share	3	5