Annual report pursuant to Section 13 and 15(d)

Segments and Geographic Information (Details)

v3.19.3.a.u2
Segments and Geographic Information (Details)
3 Months Ended 12 Months Ended
Dec. 31, 2019
USD ($)
Sep. 30, 2019
USD ($)
Jun. 30, 2019
USD ($)
Mar. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Sep. 30, 2018
USD ($)
Jun. 30, 2018
USD ($)
Mar. 31, 2018
USD ($)
Dec. 31, 2019
USD ($)
segment
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Segment Reporting Information [Line Items]                      
Number of reportable segments | segment                 2    
Revenue $ 2,062,000,000 $ 2,011,000,000 $ 1,977,000,000 $ 1,744,000,000 $ 1,496,000,000 $ 1,468,000,000 $ 1,432,000,000 $ 1,375,000,000 $ 7,794,000,000 $ 5,771,000,000 $ 5,425,000,000
Advertising revenue                      
Segment Reporting Information [Line Items]                      
Revenue                 1,336,000,000 $ 188,000,000 $ 160,000,000
Maximum | Advertising revenue | Intersegment Eliminations                      
Segment Reporting Information [Line Items]                      
Revenue                 $ 1,000,000