Divestitures - Gain on Disposition (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | |||
| Gain on disposition | $ 0 | $ 3,214 | $ 0 |
| MLU B.V. | |||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | |||
| Fair value of consideration received | 1,410 | ||
| Cash consideration contributed, net of working capital adjustments | (334) | ||
| Share consideration in Class A common stock contributed | (52) | ||
| Other | (57) | ||
| Net consideration received for sale of Uber Russia/CIS | 967 | ||
| Carrying value of net assets transferred | (13) | ||
| Gain on disposition | $ 954 | ||