Quarterly report pursuant to Section 13 or 15(d)

Segments and Geographic Information - Additional Information (Details)

v3.21.1
Segments and Geographic Information - Additional Information (Details)
$ in Millions
3 Months Ended
Mar. 31, 2021
USD ($)
segment
Mar. 31, 2020
USD ($)
Segment Reporting Information [Line Items]    
Number of reportable segments | segment 2  
Revenue $ 2,058 $ 1,952
Advertising revenue    
Segment Reporting Information [Line Items]    
Revenue 354 285
Advertising revenue | Intersegment Eliminations    
Segment Reporting Information [Line Items]    
Revenue $ 1 $ 1