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Basis of Presentation (Tables)
6 Months Ended
Jun. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Adjustments The following table presents a summary of the amounts as reported and as reclassified in our consolidated statements of operations for the three and six months ended June 30, 2020:
Three months ended
June 30, 2020
Six months ended
June 30, 2020
As reportedAs reclassifiedAs reportedAs reclassified
 (In millions)
Cost of revenue$389 $381 $1,018 1,010 
Selling and marketing296 291 1,506 1,496 
Technology and content255 271 563 586 
General and administrative152 149 339 334