XML 42 R28.htm IDEA: XBRL DOCUMENT v3.21.4
Earnings Per Share
12 Months Ended
Dec. 31, 2021
Earnings Per Share [Abstract]  
Earnings Per Share Earnings Per ShareBasic earnings per share is computed by dividing net income available to common stockholders by the weighted-average number of common shares outstanding. Diluted earnings per share is computed by dividing net income available to common stockholders by the weighted-average number of common shares plus the effect of dilutive potential common shares outstanding during the period. The following table sets forth the computation of basic and diluted earnings per share (shares in thousands):
Year Ended December 31, 
202120202019
Numerator:
Net income available to common stockholders$1,386 $890 $1,174 
Denominator:
Denominator for basic earnings per share—weighted-average common shares72,43272,65877,341
Effect of dilutive securities:
Employee stock options412114
Restricted stock units381 259 255 
Denominator for diluted earnings per share—adjusted weighted-average common shares72,81772,92977,710
Basic earnings per share$19.14 $12.24 $15.18 
Diluted earnings per share$19.04 $12.20 $15.11