v3.19.3.a.u2
Supplemental Financial Statement Information - Other Income (Expense), Net (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
May 14, 2019
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Interest income     $ 234 $ 104 $ 71
Foreign currency exchange gains (losses), net     (40) (45) 42
Gain on business divestitures     0 3,214 0
Gain (loss) on debt and equity securities, net     2 1,996 0
Change in fair value of embedded derivatives $ 117   58 (501) (173)
Gain on extinguishment of convertible notes and settlement of derivatives     444 0 0
Other     24 225 44
Other income (expense), net     $ 722 4,993 $ (16)
Not Discontinued Operations | Southeast Asia operations          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Gain on business divestitures   $ 2,200   2,300  
Not Discontinued Operations | UBER Russia, CIS Operations          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Gain on business divestitures       $ 954