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Net Income Per Share (Tables)
3 Months Ended
Mar. 31, 2021
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:
 Three Months Ended March 31,
 20212020
(In millions, except per share amounts)
Numerator:
Net income$1,097 $84 
Denominator:
Weighted average shares of common stock - basic1,173 1,173 
Dilutive effect of equity incentive awards17 12 
Weighted average shares of common stock - diluted1,190 1,185 
Net income per share:
Basic$0.94 $0.07 
Diluted$0.92 $0.07 
Common stock equivalents excluded from income per diluted share because their effect would have been anti-dilutive