Employee Benefit Plans

9 Months Ended

Sep. 30, 2019

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Employee Benefit Plans

Employee Benefit Plans

Restricted Stock Unit Activity

The following table presents restricted stock unit (“RSU”) activity (including performance-based RSUs that have been earned) under our equity incentive plans as of and for the nine months ended September 30, 2019 (in millions):  

	Units
Outstanding as of January 1, 2019	34
Awarded	17
Vested	(13	)
Forfeited	(7	)
Outstanding as of September 30, 2019	31

The weighted average grant date fair value for RSUs awarded during the nine months ended September 30, 2019 was $37.68 per share.

Stock-Based Compensation Expense

The impact on our results of operations of recording stock-based compensation expense for the three and nine months ended September 30, 2019 and 2018 was as follows (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Cost of net revenues	$	14	$	14	$	43	$	43
Sales and marketing	24		26		72		82
Product development	49		45		148		148
General and administrative	29		40		113		123
Total stock-based compensation expense	$	116	$	125	$	376	$	396
Capitalized in product development	$	4	$	3	$	10	$	10