XML 66 R56.htm IDEA: XBRL DOCUMENT
v3.19.1

Vehicle Rental Activities (Components Of Vehicle Depreciation And Lease Charges) (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Vehicle Rental Activities [Abstract] |  |
Depreciation expense | $ 436 | $ 460
Lease charges | 57 | 56
(Gain) loss on sale of vehicles, net | (8) | (1)
Vehicle depreciation and lease charges, net | $ 485 | $ 515

X
- Definition (Gain) Loss On Sale Of Vehicles, Net And Cost Of Vehicle Disposition + References No definition available. + Details
Name: | car_GainLossOnSaleOfVehiclesNetAndCostOfVehicleDisposition
Namespace Prefix: | car_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of depreciation expense recorded on rental vehicles. + References No definition available. + Details
Name: | car_VehicleDepreciationExpense
Namespace Prefix: | car_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of lease charges recorded on rental vehicles. + References No definition available. + Details
Name: | car_VehicleLeaseCharges
Namespace Prefix: | car_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Vehicle Rental Activities [Abstract] + References No definition available. + Details
Name: | car_VehicleRentalActivitiesAbstract
Namespace Prefix: | car_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expense for allocation of cost of tangible asset over its useful life directly used in production of good and rendering of service. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(b)(2)) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
Name: | us-gaap_CostOfGoodsAndServicesSoldDepreciation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration