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Stock-Based Plans (Tables) | 3 Months Ended
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Mar. 31, 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 months ended March 31, 2021 and 2020 was as follows:
| Three Months Ended March 31, |  |
| 2021 |  | 2020 |  |  |  |
| (In millions)
Customer support and operations | $ | 72 |  |  | $ | 52 |  |  |  |  |
Sales and marketing | 48 |  |  | 39 |  |  |  |  |
Technology and development | 139 |  |  | 113 |  |  |  |  |
General and administrative | 119 |  |  | 87 |  |  |  |  |
Total stock-based compensation expense | $ | 378 |  |  | $ | 291 |  |  |  |  |
Capitalized as part of internal use software and website development costs | $ | 16 |  |  | $ | 10 |  |  |  |  |

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