XML 15 R78.htm IDEA: XBRL DOCUMENT
v3.19.3

Financial Instruments (Narrative) (Detail) gal in Millions, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 USD ($) gal | Sep. 30, 2018 USD ($) | Sep. 30, 2019 USD ($) gal | Sep. 30, 2018 USD ($)
Schedule of Cost-method Investments [Line Items] (Deprecated 2018-01-31) |  |  |  |
Derivative Instruments, Gain (Loss) Recognized in Income, Net | $ (37) | $ (6) | $ (36) | $ (46)
Interest Rate Caps [Member] |  |  |  |
Schedule of Cost-method Investments [Line Items] (Deprecated 2018-01-31) |  |  |  |
Derivative, Notional Amount | 7,754 |  | 7,754 |
Interest Rate Caps [Member] | Subsidiaries [Member] |  |  |  |
Schedule of Cost-method Investments [Line Items] (Deprecated 2018-01-31) |  |  |  |
Derivative, Notional Amount | 3,000 |  | 3,000 |
Interest Rate Swaps [Member] |  |  |  |
Schedule of Cost-method Investments [Line Items] (Deprecated 2018-01-31) |  |  |  |
Derivative, Notional Amount | 1,500 |  | 1,500 |
Currency Swap [Member] |  |  |  |
Schedule of Cost-method Investments [Line Items] (Deprecated 2018-01-31) |  |  |  |
Derivative, Notional Amount | $ 1,445 |  | $ 1,445 |
Commodity Contracts [Member] |  |  |  |
Schedule of Cost-method Investments [Line Items] (Deprecated 2018-01-31) |  |  |  |
Units Of Gasoline | gal | 5 |  | 5 |
Purchase [Member] |  |  |  |
Schedule of Cost-method Investments [Line Items] (Deprecated 2018-01-31) |  |  |  |
Derivative, Notional Amount | $ 2,400 |  | $ 2,400 |
Sold [Member] |  |  |  |
Schedule of Cost-method Investments [Line Items] (Deprecated 2018-01-31) |  |  |  |
Derivative, Notional Amount | 5,400 |  | 5,400 |
Not Designated As Hedging Instruments [Member] | Commodity Contracts [Member] |  |  |  |
Schedule of Cost-method Investments [Line Items] (Deprecated 2018-01-31) |  |  |  |
Derivative Instruments, Gain (Loss) Recognized in Income, Net | 1 | 0 | (3) | (1)
Interest Expense [Member] |  |  |  |
Schedule of Cost-method Investments [Line Items] (Deprecated 2018-01-31) |  |  |  |
Derivative Instruments, Gain (Loss) Recognized in Income, Net | (9) | (5) | (20) | (12)
Operating Expense [Member] |  |  |  |
Schedule of Cost-method Investments [Line Items] (Deprecated 2018-01-31) |  |  |  |
Derivative Instruments, Gain (Loss) Recognized in Income, Net | $ (1) | $ (1) | $ (1) | $ (13)

X
- Definition Units Of Gasoline + References No definition available. + Details
Name: | car_UnitsOfGasoline
Namespace Prefix: | car_
Data Type: | num:volumeItemType
Balance Type: | na
Period Type: | instant

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_CreditDerivativesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 + Details
Name: | us-gaap_DerivativeGainLossOnDerivativeNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=car_InterestRateCapsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_SubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CurrencySwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=car_PurchaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=car_SoldMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_InterestExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OperatingExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |