Commitments and Contingencies (Details) - USD ($) $ in Millions		3 Months Ended
Dec. 31, 2018	Mar. 31, 2021
Loss Contingencies [Line Items]
Guarantor obligations, maximum exposure, undiscounted		$ 5.0
New Hertz
Loss Contingencies [Line Items]
Portion of shared liabilities		15.00%
Hertz Governmental Investigation
Loss Contingencies [Line Items]
Litigation settlement, amount awarded to other party	$ 16.0

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12069-110248

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