v3.10.0.1

Employee Benefit Plans (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of 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, 2018 (in millions):
| Units
Outstanding as of January 1, 2018 | 42 |
Awarded | 18 |
Vested | (15 | )
Forfeited | (7 | )
Outstanding as of September 30, 2018 | 38 |
Schedule of 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, 2018 and 2017 was as follows (in millions):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
Cost of net revenues | $ | 14 |  |  | $ | 14 |  |  | $ | 43 |  |  | $ | 40 |
Sales and marketing | 26 |  |  | 19 |  |  | 82 |  |  | 68 |
Product development | 45 |  |  | 45 |  |  | 148 |  |  | 131 |
General and administrative | 40 |  |  | 40 |  |  | 123 |  |  | 117 |
Total stock-based compensation expense | $ | 125 |  |  | $ | 118 |  |  | $ | 396 |  |  | $ | 356 |
Capitalized in product development | $ | 3 |  |  | $ | 4 |  |  | $ | 10 |  |  | $ | 10 |

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration