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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 |  |

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