v3.19.3

Variable Interest Entities ("VIEs") - Summary of VIEs (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Variable Interest Entity [Abstract]
Investment	$ 136	$ 78
Additional cash contribution	0	58
Limited guarantee	50	50
Maximum exposure to loss	$ 186	$ 186

X

- Definition

Variable Interest Entity [Abstract]

+ References

No definition available.

+ Details

Name:	uber_VariableInterestEntityAbstract
Namespace Prefix:	uber_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Variable Interest Entity, Nonconsolidated, Reporting Entity Involvement, Additional Cash Contribution

+ References

No definition available.

+ Details

Name:	uber_VariableInterestEntityNonconsolidatedReportingEntityInvolvementAdditionalCashContribution
Namespace Prefix:	uber_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Variable Interest Entity, Nonconsolidated, Reporting Entity Involvement, Limited Guarantee

+ References

No definition available.

+ Details

Name:	uber_VariableInterestEntityNonconsolidatedReportingEntityInvolvementLimitedGuarantee
Namespace Prefix:	uber_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=118582676&loc=d3e5747-111685

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph b
-URI http://asc.fasb.org/extlink&oid=118582676&loc=d3e5728-111685

+ Details

Name:	us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Net carrying amount of the assets and liabilities in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), when the reporting entity is not the VIE's primary beneficiary.

+ References

No definition available.

+ Details

Name:	us-gaap_VariableInterestEntityNonconsolidatedCarryingAmountAssetsAndLiabilitiesNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant