Net Income Per Share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Schedule of earnings per share, basic and diluted

The following table sets forth the computation of basic and diluted net income per share for the periods indicated:

	Year Ended December 31,
	2019		2018		2017
	(In millions, except per share amounts)
Numerator:
Net income	$	2,459	$	2,057	$	1,795
Denominator:
Weighted average shares of common stock—basic	1,174		1,184		1,203
Dilutive effect of equity incentive awards	14		19		18
Weighted average shares of common stock—diluted	1,188		1,203		1,221
Net income per share:
Basic	$	2.09	$	1.74	$	1.49
Diluted	$	2.07	$	1.71	$	1.47
Common stock equivalents excluded from income per diluted share because their effect would have been anti-dilutive	2		1		2