Basis of Presentation and Recently Issued Accounting Pronouncements (Policies)	9 Months Ended
Sep. 30, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Principles of Consolidation	Principles of Consolidation The unaudited condensed consolidated financial statements include the accounts of Hertz Holdings and its wholly and majority owned domestic and international subsidiaries. In the event that the Company is a primary beneficiary of a variable interest entity, the assets, liabilities, and results of operations of the variable interest entity are included in the Company's consolidated financial statements. The Company accounts for its investment in CAR Inc. and other immaterial investments in joint ventures using the equity method when it has significant influence but not control and is not the primary beneficiary. All significant intercompany transactions have been eliminated in consolidation.
Recent Accounting Pronouncements	Recent Accounting Pronouncements Adopted Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity In April 2014, the Financial Accounting Standards Board ("FASB") issued guidance that changes the criteria for reporting discontinued operations. As a result of this guidance, only disposals of a component that represent a strategic shift that have, or will have, a major effect on the Company’s operations and financial results will be reported as a discontinued operation. Expanded disclosures are required for discontinued operations and for individually significant components that do not qualify for discontinued operations reporting. The Company adopted this guidance on January 1, 2015 in accordance with the effective date. Adoption of this new guidance did not impact the Company's financial position, results of operations or cash flows. Not Yet Adopted Revenue from Contracts with Customers In May 2014, the FASB issued guidance that will replace most existing revenue recognition guidance in U.S. GAAP. The core principle of the guidance is that an entity should recognize revenue for the transfer of goods or services equal to the amount that it expects to be entitled to receive for those goods or services. The guidance requires additional disclosure about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts, including significant judgments and changes in judgments. The new guidance may be adopted on either a full or modified retrospective basis. As issued, the guidance is effective for annual reporting periods beginning after December 15, 2016, including interim periods within those reporting periods. In July 2015, the FASB agreed to defer the effective date of the guidance until annual and interim reporting periods beginning after December 15, 2017. The Company is in the process of determining the method of adoption and assessing the potential impacts of adopting this guidance on its financial position, results of operations and cash flows. Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could be Achieved after the Requisite Service Period In June 2014, the FASB issued guidance that requires that a performance target in a share-based payment award that affects vesting and that can be achieved after the requisite service period is completed is to be accounted for as a performance condition; therefore, compensation cost should be recognized in the period in which it becomes probable that the performance target will be achieved, and the amount of compensation cost recognized should be based on the portion of the service period fulfilled. The guidance is effective either prospectively or retrospectively for annual periods beginning after December 15, 2015 and interim periods within those annual periods. The Company is in the process of determining the method of adoption and assessing the potential impacts of adopting this guidance on its financial position, results of operations and cash flows. Simplifying Income Statement Presentation by Eliminating the Concept of Extraordinary Items In January 2015, the FASB issued guidance that eliminates the concept of an event or transaction that is unusual in nature and occurs infrequently being treated as an extraordinary item. The guidance is effective for annual periods beginning after December 15, 2015 and interim periods within those annual periods. The Company has assessed the potential impacts from future adoption of this guidance and has determined that there will be no impact on its financial position, results of operations and cash flows. Amendments to the Consolidation Analysis In February 2015, the FASB issued guidance that changes the analysis that a reporting entity must perform to determine whether it should consolidate certain types of legal entities. The new guidance may be applied using a full or modified retrospective approach. The guidance is effective for annual periods beginning after December 15, 2015 and interim periods within those annual periods. The Company is in the process of determining the method of adoption and assessing the potential impacts of adopting this guidance on its financial position, results of operations and cash flows. Simplifying the Presentation of Debt Issuance Costs In April 2015, the FASB issued guidance requiring debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability. In August 2015, the FASB issued guidance clarifying that debt issuance costs related to line-of-credit arrangements may be deferred and presented as an asset. The guidance is effective retrospectively for annual periods beginning after December 15, 2015 and interim periods within those annual periods. The Company is in the process of assessing the potential impacts of adopting this guidance on its financial condition, results of operations and cash flows. Customer’s Accounting for Fees Paid in a Cloud Computing Arrangement In April 2015, the FASB issued guidance for customers about whether a cloud computing arrangement includes a software license. If a cloud computing arrangement includes a software license, then the customer should account for the software license element of the arrangement consistent with the acquisition of other software licenses. If a cloud computing arrangement does not include a software license, the customer should account for the arrangement as a service contract. This new guidance is effective for annual periods, including interim periods within those annual periods, beginning after December 15, 2015. Adoption of this guidance is not expected to have a material impact on the Company’s financial condition, results of operations or cash flows. Simplifying the Subsequent Measurement of Inventory In July 2015, the FASB issued guidance that requires inventory to be measured at the lower of cost and net realizable value, excluding inventory measured using the last-in, first-out method or the retail inventory method. Net realizable value is defined as the estimated selling prices in the ordinary course of business, less reasonably predictable costs of completion, disposal, and transportation. Current guidance requires inventory to be measured at the lower of cost or market. This guidance is effective prospectively for annual periods beginning after December 15, 2016 and interim periods within those annual periods. The Company is in the process of assessing the potential impacts of adopting this guidance on its financial position, results of operations and cash flows. Simplifying the Accounting for Measurement Period Adjustments for Business Combinations In September 2015, the FASB issued guidance that requires adjustments to provisional amounts during the measurement period of a business combination to be recognized in the reporting period in which the adjustments are determined, rather than retrospectively. The guidance is effective prospectively for annual periods beginning after December 15, 2015 and interim periods within those annual periods. Adoption of this guidance is not expected to have a material impact on the Company’s financial condition, results of operations or cash flows.

Recent Accounting Pronouncements

Adopted

Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity

In April 2014, the Financial Accounting Standards Board ("FASB") issued guidance that changes the criteria for reporting discontinued operations. As a result of this guidance, only disposals of a component that represent a strategic shift that have, or will have, a major effect on the Company’s operations and financial results will be reported as a discontinued operation. Expanded disclosures are required for discontinued operations and for individually significant components that do not qualify for discontinued operations reporting. The Company adopted this guidance on January 1, 2015 in accordance with the effective date. Adoption of this new guidance did not impact the Company's financial position, results of operations or cash flows.

Not Yet Adopted

Revenue from Contracts with Customers

In May 2014, the FASB issued guidance that will replace most existing revenue recognition guidance in U.S. GAAP. The core principle of the guidance is that an entity should recognize revenue for the transfer of goods or services equal to the amount that it expects to be entitled to receive for those goods or services. The guidance requires additional disclosure about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts, including significant judgments and changes in judgments. The new guidance may be adopted on either a full or modified retrospective basis. As issued, the guidance is effective for annual reporting periods beginning after December 15, 2016, including interim periods within those reporting periods. In July 2015, the FASB agreed to defer the effective date of the guidance until annual and interim reporting periods beginning after December 15, 2017. The Company is in the process of determining the method of adoption and assessing the potential impacts of adopting this guidance on its financial position, results of operations and cash flows.

Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could be Achieved after the Requisite Service Period

In June 2014, the FASB issued guidance that requires that a performance target in a share-based payment award that affects vesting and that can be achieved after the requisite service period is completed is to be accounted for as a performance condition; therefore, compensation cost should be recognized in the period in which it becomes probable that the performance target will be achieved, and the amount of compensation cost recognized should be based on the portion of the service period fulfilled. The guidance is effective either prospectively or retrospectively for annual periods beginning after December 15, 2015 and interim periods within those annual periods. The Company is in the process of determining the method of adoption and assessing the potential impacts of adopting this guidance on its financial position, results of operations and cash flows.

Simplifying Income Statement Presentation by Eliminating the Concept of Extraordinary Items

In January 2015, the FASB issued guidance that eliminates the concept of an event or transaction that is unusual in nature and occurs infrequently being treated as an extraordinary item. The guidance is effective for annual periods beginning after December 15, 2015 and interim periods within those annual periods. The Company has assessed the potential impacts from future adoption of this guidance and has determined that there will be no impact on its financial position, results of operations and cash flows.

Amendments to the Consolidation Analysis

In February 2015, the FASB issued guidance that changes the analysis that a reporting entity must perform to determine whether it should consolidate certain types of legal entities. The new guidance may be applied using a full or modified retrospective approach. The guidance is effective for annual periods beginning after December 15, 2015 and interim periods within those annual periods. The Company is in the process of determining the method of adoption and assessing the potential impacts of adopting this guidance on its financial position, results of operations and cash flows.

Simplifying the Presentation of Debt Issuance Costs

In April 2015, the FASB issued guidance requiring debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability. In August 2015, the FASB issued guidance clarifying that debt issuance costs related to line-of-credit arrangements may be deferred and presented as an asset. The guidance is effective retrospectively for annual periods beginning after December 15, 2015 and interim periods within those annual periods. The Company is in the process of assessing the potential impacts of adopting this guidance on its financial condition, results of operations and cash flows.

Customer’s Accounting for Fees Paid in a Cloud Computing Arrangement

In April 2015, the FASB issued guidance for customers about whether a cloud computing arrangement includes a software license. If a cloud computing arrangement includes a software license, then the customer should account for the software license element of the arrangement consistent with the acquisition of other software licenses. If a cloud computing arrangement does not include a software license, the customer should account for the arrangement as a service contract. This new guidance is effective for annual periods, including interim periods within those annual periods, beginning after December 15, 2015. Adoption of this guidance is not expected to have a material impact on the Company’s financial condition, results of operations or cash flows.

Simplifying the Subsequent Measurement of Inventory

In July 2015, the FASB issued guidance that requires inventory to be measured at the lower of cost and net realizable value, excluding inventory measured using the last-in, first-out method or the retail inventory method. Net realizable value is defined as the estimated selling prices in the ordinary course of business, less reasonably predictable costs of completion, disposal, and transportation. Current guidance requires inventory to be measured at the lower of cost or market. This guidance is effective prospectively for annual periods beginning after December 15, 2016 and interim periods within those annual periods. The Company is in the process of assessing the potential impacts of adopting this guidance on its financial position, results of operations and cash flows.

Simplifying the Accounting for Measurement Period Adjustments for Business Combinations

In September 2015, the FASB issued guidance that requires adjustments to provisional amounts during the measurement period of a business combination to be recognized in the reporting period in which the adjustments are determined, rather than retrospectively. The guidance is effective prospectively for annual periods beginning after December 15, 2015 and interim periods within those annual periods. Adoption of this guidance is not expected to have a material impact on the Company’s financial condition, results of operations or cash flows.