Description of Business and Summary of Significant Accounting Policies (Policies)	6 Months Ended
Jun. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States (“GAAP”) and applicable rules and regulations of the Securities and Exchange Commission (“SEC”) regarding interim financial reporting. The condensed consolidated balance sheet as of December 31, 2021 included herein was derived from the audited consolidated financial statements as of that date. Certain information and note disclosures normally included in the financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. As such, the information included in this Quarterly Report on Form 10-Q should be read in conjunction with the audited consolidated financial statements and the related notes thereto as of and for the year ended December 31, 2021, included in our Annual Report on Form 10-K. The results for the interim periods are not necessarily indicative of results for the full year. In the opinion of management, these financial statements include all adjustments, which are of a normal recurring nature, necessary for a fair statement of the financial position, results of operations, comprehensive loss, cash flows and the change in equity for the periods presented. There have been no changes to our significant accounting policies described in the Annual Report on Form 10-K for the year ended December 31, 2021 filed with the SEC on February 24, 2022 that have had a material impact on our condensed consolidated financial statements and related notes.
Basis of Consolidation	Basis of ConsolidationOur condensed consolidated financial statements include the accounts of Uber Technologies, Inc. and entities consolidated under the variable interest and voting models. All intercompany balances and transactions have been eliminated. Refer to Note 13 – Variable Interest Entities for further information.
Use of Estimates	Use of EstimatesThe preparation of our unaudited condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions, which affect the reported amounts in the financial statements and accompanying notes. Estimates are based on historical experience, where applicable, and other assumptions which management believes are reasonable under the circumstances. Additionally, we considered the impacts of the coronavirus pandemic (“COVID-19”) on the assumptions and inputs (including market data) supporting certain of these estimates, assumptions and judgments. On an ongoing basis, management evaluates estimates, including, but not limited to: fair values of investments and other financial instruments (including the measurement of credit or impairment losses); useful lives of amortizable long-lived assets; fair value of acquired intangible assets and related impairment assessments; impairment of goodwill; stock-based compensation; income taxes and non-income tax reserves; certain deferred tax assets and tax liabilities; insurance reserves; and other contingent liabilities. These estimates are inherently subject to judgment and actual results could differ from those estimates.
Certain Significant Risks and Uncertainties - COVID-19	Certain Significant Risks and Uncertainties - COVID-19 COVID-19 restrictions have had an adverse impact on our business and operations by reducing, in particular, the global demand for Mobility offerings. It is not possible to predict COVID-19’s cumulative and ultimate impact on our future business operations, results of operations, financial position, liquidity, and cash flows. The extent of the impact of COVID-19 on our business and financial results will depend largely on future developments, including: outbreaks or variants of the virus, both globally and within the United States; the administration, adoption and efficacy of vaccines globally; the impact on capital, foreign currencies exchange and financial markets; governmental or regulatory orders that impact our business; and whether the impacts may result in permanent changes to our end-users’ behavior, all of which are highly uncertain and cannot be predicted.
Recently Adopted Accounting Pronouncements and Recently Issued Accounting Pronouncements Not Yet Adopted	Recently Adopted Accounting Pronouncements In November 2021, the FASB issued ASU 2021-10, “Government Assistance (Topic 832): Disclosures by Business Entities about Government Assistance,” which requires disclosures about transactions with a government that are accounted for by applying a grant or contribution accounting model by analogy. The standard is effective for public companies for fiscal years beginning after December 15, 2021. Early adoption is permitted. We adopted the ASU prospectively on January 1, 2022. The additional required annual disclosures are not expected to have a material impact on our consolidated financial statements. Recently Issued Accounting Pronouncements Not Yet Adopted In October 2021, the FASB issued ASU 2021-08, “Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities from Contracts with Customers,” which requires entities to apply Topic 606 to recognize and measure contract assets and contract liabilities in a business combination as if the acquiring entity had originated the contracts. The standard is effective for public companies for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2022. Early adoption is permitted. We are currently evaluating the impact of this accounting standard update on our consolidated financial statements. In June 2022, the FASB issued ASU 2022-03, “Fair Value Measurement (Topic 820): Fair Value Measurement of Equity Securities Subject to Contractual Sale Restrictions,” which clarifies that contractual sale restrictions are not considered in measuring fair value of equity securities and requires additional disclosures for equity securities subject to contractual sale restrictions. The standard is effective for public companies for fiscal years beginning after December 15, 2023. Early adoption is permitted. This accounting standard update is not expected to have a material impact on our consolidated financial statements as the amendments align with our existing policy.
Net Income (Loss) Per Share	Basic net income (loss) per share is computed by dividing net income (loss) by the weighted-average number of common shares outstanding for the periods presented. Diluted net income (loss) per share is computed by giving effect to all potential weighted average dilutive common stock. The dilutive effect of outstanding awards and convertible securities is reflected in diluted net income (loss) per share by application of the treasury stock method or if-converted method, as applicable. We take into account the effect on consolidated net income (loss) per share of dilutive securities of entities in which we hold equity interests that are accounted for using the equity method.

Description of Business and Summary of Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States (“GAAP”) and applicable rules and regulations of the Securities and Exchange Commission (“SEC”) regarding interim financial reporting. The condensed consolidated balance sheet as of December 31, 2021 included herein was derived from the audited consolidated financial statements as of that date. Certain information and note disclosures normally included in the financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. As such, the information included in this Quarterly Report on Form 10-Q should be read in conjunction with the audited consolidated financial statements and the related notes thereto as of and for the year ended December 31, 2021, included in our Annual Report on Form 10-K. The results for the interim periods are not necessarily indicative of results for the full year.

In the opinion of management, these financial statements include all adjustments, which are of a normal recurring nature, necessary for a fair statement of the financial position, results of operations, comprehensive loss, cash flows and the change in equity for the periods presented.

There have been no changes to our significant accounting policies described in the Annual Report on Form 10-K for the year ended December 31, 2021 filed with the SEC on February 24, 2022 that have had a material impact on our condensed consolidated financial statements and related notes.

Basis of Consolidation

Basis of ConsolidationOur condensed consolidated financial statements include the accounts of Uber Technologies, Inc. and entities consolidated under the variable interest and voting models. All intercompany balances and transactions have been eliminated. Refer to Note 13 – Variable Interest Entities for further information.

Use of Estimates

Use of EstimatesThe preparation of our unaudited condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions, which affect the reported amounts in the financial statements and accompanying notes. Estimates are based on historical experience, where applicable, and other assumptions which management believes are reasonable under the circumstances. Additionally, we considered the impacts of the coronavirus pandemic (“COVID-19”) on the assumptions and inputs (including market data) supporting certain of these estimates, assumptions and judgments. On an ongoing basis, management evaluates estimates, including, but not limited to: fair values of investments and other financial instruments (including the measurement of credit or impairment losses); useful lives of amortizable long-lived assets; fair value of acquired intangible assets and related impairment assessments; impairment of goodwill; stock-based compensation; income taxes and non-income tax reserves; certain deferred tax assets and tax liabilities; insurance reserves; and other contingent liabilities. These estimates are inherently subject to judgment and actual results could differ from those estimates.

Certain Significant Risks and Uncertainties - COVID-19

COVID-19 restrictions have had an adverse impact on our business and operations by reducing, in particular, the global demand for Mobility offerings. It is not possible to predict COVID-19’s cumulative and ultimate impact on our future business operations, results of operations, financial position, liquidity, and cash flows. The extent of the impact of COVID-19 on our business and financial results will depend largely on future developments, including: outbreaks or variants of the virus, both globally and within the United States; the administration, adoption and efficacy of vaccines globally; the impact on capital, foreign currencies exchange and financial markets; governmental or regulatory orders that impact our business; and whether the impacts may result in permanent changes to our end-users’ behavior, all of which are highly uncertain and cannot be predicted.

Recently Adopted Accounting Pronouncements and Recently Issued Accounting Pronouncements Not Yet Adopted

Recently Adopted Accounting Pronouncements

In November 2021, the FASB issued ASU 2021-10, “Government Assistance (Topic 832): Disclosures by Business Entities about Government Assistance,” which requires disclosures about transactions with a government that are accounted for by applying a grant or contribution accounting model by analogy. The standard is effective for public companies for fiscal years beginning after December 15, 2021. Early adoption is permitted. We adopted the ASU prospectively on January 1, 2022. The additional required annual disclosures are not expected to have a material impact on our consolidated financial statements.

Recently Issued Accounting Pronouncements Not Yet Adopted

In October 2021, the FASB issued ASU 2021-08, “Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities from Contracts with Customers,” which requires entities to apply Topic 606 to recognize and measure contract assets and contract liabilities in a business combination as if the acquiring entity had originated the contracts. The standard is effective for public companies for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2022. Early adoption is permitted. We are currently evaluating the impact of this accounting standard update on our consolidated financial statements.

In June 2022, the FASB issued ASU 2022-03, “Fair Value Measurement (Topic 820): Fair Value Measurement of Equity Securities Subject to Contractual Sale Restrictions,” which clarifies that contractual sale restrictions are not considered in measuring fair value of equity securities and requires additional disclosures for equity securities subject to contractual sale restrictions. The standard is effective for public companies for fiscal years beginning after December 15, 2023. Early adoption is permitted. This accounting standard update is not expected to have a material impact on our consolidated financial statements as the amendments align with our existing policy.

Net Income (Loss) Per Share

Basic net income (loss) per share is computed by dividing net income (loss) by the weighted-average number of common shares outstanding for the periods presented. Diluted net income (loss) per share is computed by giving effect to all potential weighted average dilutive common stock. The dilutive effect of outstanding awards and convertible securities is reflected in diluted net income (loss) per share by application of the treasury stock method or if-converted method, as applicable.

We take into account the effect on consolidated net income (loss) per share of dilutive securities of entities in which we hold equity interests that are accounted for using the equity method.