XML 57 R47.htm IDEA: XBRL DOCUMENT
v3.19.1

Restructuring (Narrative) (Detail) - T19 Restructuring [Member] $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2019 USD ($) Employee
Restructuring Cost and Reserve [Line Items] |
Restructuring and Related Cost, Expected Number of Positions Eliminated | 160
Restructuring and Related Cost, Number of Positions Eliminated | 130
Restructuring and Related Cost, Expected Cost Remaining | $ | $ 40

X
- Definition Amount of expected cost remaining for the specified restructuring cost. + References No definition available. + Details
Name: | us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The expected number of positions to be eliminated as a result of restructuring activities. + References No definition available. + Details
Name: | us-gaap_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of positions eliminated during the period as a result of restructuring activities. + References No definition available. + Details
Name: | us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RestructuringPlanAxis=car_T19RestructuringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |