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Stock-Based Plans (Tables)
3 Months Ended
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,
 20212020
(In millions)
Customer support and operations$72 $52 
Sales and marketing48 39 
Technology and development139 113 
General and administrative119 87 
Total stock-based compensation expense$378 $291 
Capitalized as part of internal use software and website development costs$16 $10