Stock-Based Plans (Tables)

9 Months Ended

Sep. 30, 2021

Share-based Payment Arrangement [Abstract]

Schedule of stock-based compensation expense

The impact on our results of operations of recording stock-based compensation expense under our equity incentive plans for the three and nine months ended September 30, 2021 and 2020 was as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
	(In millions)
Customer support and operations	$	56	$	63	$	205	$	179
Sales and marketing	38		45		134		131
Technology and development	117		138		403		384
General and administrative	100		127		348		330
Total stock-based compensation expense	$	311	$	373	$	1,090	$	1,024
Capitalized as part of internal use software and website development costs	$	17	$	13	$	51	$	34