| Cover | Aug. 12, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Aug. 12, 2021 |
| Entity File Number | 001-38902 |
| Entity Registrant Name | Uber Technologies, Inc. |
| Entity Central Index Key | 0001543151 |
| Entity Tax Identification Number | 45-2647441 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 1515 3rd Street |
| Entity Address, City or Town | San Francisco |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94158 |
| City Area Code | (415) |
| Local Phone Number | 612-8582 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.00001 per share |
| Trading Symbol | UBER |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
