XML 102 R95.htm IDEA: XBRL DOCUMENT
v3.20.2

Commitments and contingencies (Narrative) (Details) |  |  | 1 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Oct. 24, 2014 USD ($) | Mar. 16, 2009 USD ($) | Jul. 29, 2020 aircraft | Oct. 31, 2013 USD ($) claim | Jul. 31, 2011 USD ($) claim | Jun. 30, 2020 aircraft | Dec. 31, 1992 aircraft engine | Jan. 01, 1990 aircraft engine
VASP Litigation |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Damages awarded | $ | $ 36,900,000 | $ 40,000,000 |  |  |  |  |  |
VASP Litigation | VASP Litigation English Court |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Claim award for loss of profit plus accrued interest | $ | 40,000,000 |  |  |  |  |  |  |
VASP Litigation | VASP Litigation Irish Court |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Claim award for loss of profit plus accrued interest | $ | $ 24,000,000 |  |  |  |  |  |  |
VASP Litigation | Aircraft |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of capital leased assets |  |  |  |  |  |  | 13 |
Number of leases that company incurred obligations due to another company's default |  |  |  |  |  |  | 13 |
VASP Litigation | Engines |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of capital leased assets | engine |  |  |  |  |  |  | 3 |
Number of leases that company incurred obligations due to another company's default |  |  |  |  |  |  | 3 |
Transbrasil Litigation |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of actions | claim |  |  |  |  | 3 |  |  |
Aggregate amount due from AerCap | $ |  |  |  |  | $ 210,000,000 |  |  |
Number of claims dismissed | claim |  |  |  | 2 |  |  |  |
Damages suffered | $ |  |  |  | $ 0 |  |  |  |
Transbrasil Litigation | Statutory Penalties |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of actions | claim |  |  |  |  | 1 |  |  |
Transbrasil Litigation | Recovery of Attorneys' Fees |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of actions | claim |  |  |  |  | 1 |  |  |
Transbrasil Litigation | Indemnity Claim |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of actions | claim |  |  |  |  | 1 |  |  |
Transbrasil Litigation | Aircraft |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of capital leased assets |  |  |  |  |  |  |  | 1
Transbrasil Litigation | Engines |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of capital leased assets | engine |  |  |  |  |  |  |  | 2
Capital Addition Purchase Commitments |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of forward orders |  |  |  |  |  | 337 |  |
Capital Addition Purchase Commitments | Subsequent Event |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of forward orders |  |  | 322 |  |  |  |  |
Capital Addition Purchase Commitments | Aircraft | B-737-Max | Subsequent Event |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of forward orders |  |  | 80 |  |  |  |  |
Number of forward orders, cancelled |  |  | 15 |  |  |  |  |

X
- Definition Claim Award For Loss Of Profit Plus Accrued Interest + References No definition available. + Details
Name: | aer_ClaimAwardForLossOfProfitPlusAccruedInterest
Namespace Prefix: | aer_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Loss contingencies, due from lessor + References No definition available. + Details
Name: | aer_LossContingenciesDueFromLessor
Namespace Prefix: | aer_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number Of Forward Orders + References No definition available. + Details
Name: | aer_NumberOfForwardOrders
Namespace Prefix: | aer_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Forward Orders, Cancelled + References No definition available. + Details
Name: | aer_NumberOfForwardOrdersCancelled
Namespace Prefix: | aer_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Leases That Company Incurred Obligations Due To Another Company's Default + References No definition available. + Details
Name: | aer_NumberOfLeasesThatCompanyIncurredObligationsDueToAnotherCompanySDefault
Namespace Prefix: | aer_
Data Type: | xbrli:positiveIntegerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of units (items of property) under capital lease arrangements. + References No definition available. + Details
Name: | us-gaap_CapitalLeasedAssetsNumberOfUnits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
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_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of claims dismissed. + References No definition available. + Details
Name: | us-gaap_LossContingencyClaimsDismissedNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of damages awarded to the plaintiff in the legal matter. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyDamagesAwardedValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyLossInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The total number of new claims filed pertaining to a loss contingency during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349 + Details
Name: | us-gaap_LossContingencyNewClaimsFiledNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=aer_VaspLitigationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=aer_VASPLitigationEnglishCourtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=aer_VASPLitigationIrishCourtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=aer_AircraftMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=aer_EnginesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=aer_TransbrasilLitigationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=aer_StatutoryPenaltiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=aer_RecoveryofAttorneysFeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=aer_IndemnityClaimMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis=us-gaap_CapitalAdditionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_AircraftTypeAxis=srt_B737MaxMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |