Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Schedule of earnings per share

The following table sets forth the computation of basic and diluted earnings per share (shares in thousands):

	Year Ended December 31,
	2021		2020		2019
Numerator:
Net income available to common stockholders	$	1,386	$	890	$	1,174
Denominator:
Denominator for basic earnings per share—weighted-average common shares	72,432		72,658		77,341
Effect of dilutive securities:
Employee stock options	4		12		114
Restricted stock units	381		259		255
Denominator for diluted earnings per share—adjusted weighted-average common shares	72,817		72,929		77,710
Basic earnings per share	$	19.14	$	12.24	$	15.18
Diluted earnings per share	$	19.04	$	12.20	$	15.11