Stock-based compensation expense for our equity incentive plans are measured based on their estimated fair value at the time of grant, and recognized over the award’s vesting period.

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, 2022 and 2021 was as follows:


	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
	(In millions)
Customer support and operations	$	56	$	56	$	196	$	205
Sales and marketing	27		38		114		134
Technology and development	115		117		380		403
General and administrative	41		100		317		348
Total stock-based compensation expense	$	239	$	311	$	1,007	$	1,090
Capitalized as part of internal use software and website development costs	$	12	$	17	$	40	$	51