EMPLOYEE BENEFIT PLANS INCLUDING SHARE-BASED PAYMENT PLANS - DOLLAR THRIFTY (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011 Dollar Thrifty Automotive Group Inc.	Dec. 31, 2010 Dollar Thrifty Automotive Group Inc.	Dec. 31, 2009 Dollar Thrifty Automotive Group Inc.
Employee Benefit Plans
Maximum percentage of employee's eligible compensation for which Company matches their contribution				2.00%
Contribution expenses	$ 18.6	$ 18.0	$ 14.8	$ 1.8	$ 1.7	$ 1.8
Liability for employee health claims included in accrued liabilities				2.3	2.0
Expenses for self-insured health claims				15.4	15.8	20.2
Expenses related to bonus plan				$ 9.8	$ 11.2	$ 10.0

Represents the amount of the cost recognized during the period for bonus plan.

No definition available.

Name:	hzc_BonusPlanCostRecognized
Namespace Prefix:	hzc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	hzc_ScheduleOfDefinedContributionPlanDisclosuresLineItems
Namespace Prefix:	hzc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the liability for employee health claims plan, which are self-insured by the Entity.

+ References

No definition available.

+ Details

Name:	hzc_SelfInsuredEmployeeHealthClaimsPlanLiability
Namespace Prefix:	hzc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the amount of the cost recognized during the period for self-insured health claims plan.

+ References

No definition available.

+ Details

Name:	hzc_SelfInsuredHealthClaimsPlanCostRecognized
Namespace Prefix:	hzc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 11

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Maximum percentage of employee gross pay, by the terms of the plan, that the employer may contribute to a defined contribution plan.

+ References

No definition available.

+ Details

Name:	us-gaap_DefinedContributionPlanMaximumAnnualContributionPerEmployeePercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration