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Stock-Based Plans | 3 Months Ended
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Mar. 31, 2021
Share-based Payment Arrangement [Abstract] |
Stock-Based Plans | STOCK-BASED PLANS STOCK-BASED COMPENSATION EXPENSE Stock-based compensation expense for our equity incentive plans are measured and recognized based on estimated fair values at time of grant. 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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- Definition The entire disclosure for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 + Details
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- References No definition available. + Details
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